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version 1.3, 2003/11/20 17:53:50 version 1.4, 2005/11/18 08:07:13
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 <?xml version="1.0"?> <?xml version="1.0"?>
 <!DOCTYPE archimedes SYSTEM "../dtd/archimedes.dtd" > <!DOCTYPE archimedes SYSTEM "../dtd/archimedes.dtd" >
 <archimedes xmlns:xlink="http://www.w3.org/1999/xlink">      <info> <archimedes>      <info>
         <author>Borelli, Giovanni Alfonso</author>         <author>Borelli, Giovanni Alfonso</author>
         <title>De motionibus naturalibus a gravitate pendentibus</title>         <title>De motionibus naturalibus a gravitate pendentibus</title>
         <date>1670</date>         <date>1670</date>
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 <s>De ip&longs;is porr&ograve; naturalibus motionibus corporum, <lb/>qu&ecedil; in medio fluido fiunt, &longs;cilic&egrave;t qua ratione, &amp; qua-</s></p><pb xlink:href="010/01/010.jpg" pagenum="2"/><p type="main"> <s>De ip&longs;is porr&ograve; naturalibus motionibus corporum, <lb/>qu&ecedil; in medio fluido fiunt, &longs;cilic&egrave;t qua ratione, &amp; qua-</s></p><pb xlink:href="010/01/010.jpg" pagenum="2"/><p type="main">
  
 <s><arrow.to.target n="marg1"/><lb/>re corpora varias magnitud<gap/>nes <gap/> pondera, &amp; di&shy;<lb/>uer&longs;as figuras habentia, moueantur maiori, aut mi&shy;<lb/>nori veloc&igrave;mte, certa quadam proportione in medio <lb/>fluido, nemo (quodl&longs;ciam) differuit. </s> <s><arrow.to.target n="marg1"/><lb/>re corpora varias magnitudines, pondera, &amp; di&shy;<lb/>uer&longs;as figuras habentia, moueantur maiori, aut mi&shy;<lb/>nori veloc&igrave;mte, certa quadam proportione in medio <lb/>fluido, nemo (quodl&longs;ciam) differuit. </s>
  
 <s>Igitur hanc <lb/>phy&longs;ico-mechanices partem hacten&ugrave;s de&longs;iderata&mtail; <lb/>exponere, ac &longs;upplere animus e&longs;t; &longs;ed ne fa&longs;tidio&longs;&atail; <lb/>repetitione earum rerum, qu&aelig; ab alijs tradita &longs;unt, <lb/>lectores de tineam, &longs;upponam ea omnia, qu&aelig; in ele&shy;<lb/>mentis mechanicis tradita &longs;unt de natura libr&aelig;, vec&shy;<lb/>tis, trochle&aelig;, &amp; de reliquis ab hi&longs;ce in&longs;trumentis pen&shy;<lb/>dentibus, eorum que naturam participantibus. </s> <s>Igitur hanc <lb/>phy&longs;ico-mechanices partem hacten&ugrave;s de&longs;iderata&mtail; <lb/>exponere, ac &longs;upplere animus e&longs;t; &longs;ed ne fa&longs;tidio&longs;&atail; <lb/>repetitione earum rerum, qu&aelig; ab alijs tradita &longs;unt, <lb/>lectores de tineam, &longs;upponam ea omnia, qu&aelig; in ele&shy;<lb/>mentis mechanicis tradita &longs;unt de natura libr&aelig;, vec&shy;<lb/>tis, trochle&aelig;, &amp; de reliquis ab hi&longs;ce in&longs;trumentis pen&shy;<lb/>dentibus, eorum que naturam participantibus. </s>
  
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 <s><margin.target id="marg1"/>Cap.  <s><margin.target id="marg1"/>Cap.
  
  
 1. Cor&shy;<lb/>porum mo&shy;<lb/>tus in medio<gap/><lb/>fluido fieri.</s></p><p type="main"> 1. Cor&shy;<lb/>porum mo&shy;<lb/>tus in medio <lb/>fluido fieri.</s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>De Momentis Grauium con&longs;istentium &amp; fluidorum <lb/>in ij&longs;dem fluidis innatantium.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>De Momentis Grauium con&longs;istentium &amp; fluidorum <lb/>in ij&longs;dem fluidis innatantium.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
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 <s>Suppono prim&ograve; qu&ograve;d quodlibet corpus, &longs;iu&egrave; den&shy;<lb/>&longs;um, &longs;iu&egrave; fluidum, ex ijs qu&aelig; globum terra-queu&mtail; <lb/>componunt, graue e&longs;t, exercetque vim &longs;e&ugrave; conatum <lb/>fu&aelig; grauitatis, etiam &longs;i in fluido &longs;ibi aut homogeneo, <lb/>aut non, con&longs;tituatur. </s> <s>Suppono prim&ograve; qu&ograve;d quodlibet corpus, &longs;iu&egrave; den&shy;<lb/>&longs;um, &longs;iu&egrave; fluidum, ex ijs qu&aelig; globum terra-queu&mtail; <lb/>componunt, graue e&longs;t, exercetque vim &longs;e&ugrave; conatum <lb/>fu&aelig; grauitatis, etiam &longs;i in fluido &longs;ibi aut homogeneo, <lb/>aut non, con&longs;tituatur. </s>
  
 <s>hoc autem &longs;uo loco euidenti&longs;&shy;<lb/>&longs;<gap/>is rationibus, ac experimentis confirmabitur. </s></p><p type="main"> <s>hoc autem &longs;uo loco euidenti&longs;&shy;<lb/>&longs;imis rationibus, ac experimentis confirmabitur. </s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>SVPPOSITIO II.<emph.end type="italics"/><emph.end type="center"/><!-- KEEP S--></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>SVPPOSITIO II.<emph.end type="italics"/><emph.end type="center"/><!-- KEEP S--></s></p><p type="main">
  
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 <s>hoc mani&shy;<lb/>fe&longs;tum e&longs;t quia c&ugrave;m omnes partes terren&aelig; vt graues <lb/>naturali in&longs;tinctu ad terr&aelig; centrum accedere conen-<pb xlink:href="010/01/012.jpg" pagenum="4"/><arrow.to.target n="marg3"/><lb/>tur, hocque earum de&longs;iderium expleri minim&egrave; po&longs;&longs;it <lb/>ni&longs;i mediante motu, igitur ce&longs;&longs;ante fine nece&longs;&longs;ari&ograve; <lb/>medium quoque ce&longs;&longs;at, &longs;cilicet quando non pote&longs;t <lb/>graue aliquod magis, qu&agrave;m prius ad terr&aelig; centrum <lb/>accedere, tunc nequa quam moue bitur. </s> <s>hoc mani&shy;<lb/>fe&longs;tum e&longs;t quia c&ugrave;m omnes partes terren&aelig; vt graues <lb/>naturali in&longs;tinctu ad terr&aelig; centrum accedere conen-<pb xlink:href="010/01/012.jpg" pagenum="4"/><arrow.to.target n="marg3"/><lb/>tur, hocque earum de&longs;iderium expleri minim&egrave; po&longs;&longs;it <lb/>ni&longs;i mediante motu, igitur ce&longs;&longs;ante fine nece&longs;&longs;ari&ograve; <lb/>medium quoque ce&longs;&longs;at, &longs;cilicet quando non pote&longs;t <lb/>graue aliquod magis, qu&agrave;m prius ad terr&aelig; centrum <lb/>accedere, tunc nequa quam moue bitur. </s>
  
 <s>ex quo &longs;e qui&shy;<lb/>tur vt pr&aelig;dicta corpora quie&longs;cant, quandoquidem &longs;i <lb/>mouerentur, aut deberent &agrave; centro telluris recedere <lb/>&amp; remoueri, vel lateraliter circumferri, in primo ea&shy;<lb/>&longs;u &longs;e queretur operatio contraria naturali in&longs;tinctui <lb/>grauium, quod e&longs;t impo&longs;&longs;ibile; in &longs;ecundo ver&ograve; ca&longs;u <lb/>efficeretur operatio van&aelig;, &amp; &longs;i ti&longs;tratoria, <gap/>il eni&mtail; <lb/>graue pr&aelig;terea acquireret c&ugrave;m non amplius ad terr&aelig; <lb/>centru accedere po&longs;&longs;et ex hy pothe&longs;i, ab&longs;urdum ver&ograve; <lb/>e&longs;t atque repugnatnaturam operari ca&longs;n, &amp; ab&longs;qu&etail; <lb/>fine; igitur e&longs;t impo&longs;&longs;ibile vt corpora, qu&aelig; ad <expan abbr="centr&utilde;">centrum</expan> <lb/>terr&aelig; accedere nequeunt, vllo pacto moueantur; qua <lb/>propter nece&longs;&longs;e e&longs;t vt in eodem &longs;itu fix&egrave; quie&longs;cant in <lb/>quo prius degebant. </s></p><p type="margin"> <s>ex quo &longs;equi&shy;<lb/>tur vt pr&aelig;dicta corpora quie&longs;cant, quandoquidem &longs;i <lb/>mouerentur, aut deberent &agrave; centro telluris recedere <lb/>&amp; remoueri, vel lateraliter circumferri, in primo ca&shy;<lb/>&longs;u &longs;equeretur operatio contraria naturali in&longs;tinctui <lb/>grauium, quod e&longs;t impo&longs;&longs;ibile; in &longs;ecundo ver&ograve; ca&longs;u <lb/>efficeretur operatio van&aelig;, &amp; &longs;i fru&longs;tratoria, nil enim <lb/>graue pr&aelig;terea acquireret c&ugrave;m non amplius ad terr&aelig; <lb/>centru accedere po&longs;&longs;et ex hypothe&longs;i, ab&longs;urdum ver&ograve; <lb/>e&longs;t atque repugnat naturam operari ca&longs;n, &amp; ab&longs;que <lb/>fine; igitur e&longs;t impo&longs;&longs;ibile vt corpora, qu&aelig; ad <expan abbr="centr&utilde;">centrum</expan> <lb/>terr&aelig; accedere nequeunt, vllo pacto moueantur; qua <lb/>propter nece&longs;&longs;e e&longs;t vt in eodem &longs;itu fix&egrave; quie&longs;cant in <lb/>quo prius degebant. </s></p><p type="margin">
  
  
 <s><margin.target id="marg3"/>Cap.  <s><margin.target id="marg3"/>Cap.
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 <s><emph type="center"/><emph type="italics"/>SVPPOSITIO IV.<emph.end type="italics"/><emph.end type="center"/><lb/><arrow.to.target n="marg4"/><!-- KEEP S--></s></p><p type="margin"> <s><emph type="center"/><emph type="italics"/>SVPPOSITIO IV.<emph.end type="italics"/><emph.end type="center"/><lb/><arrow.to.target n="marg4"/><!-- KEEP S--></s></p><p type="margin">
  
 <s><margin.target id="marg4"/>Archimedis <lb/>&longs;<gap/></s></p><p type="main"> <s><margin.target id="marg4"/>Archimedis <lb/>&longs;suppositio. </s></p><p type="main">
  
 <s>Pr&aelig;terea Archimedes &longs;uppo&longs;uit vt primum prin&shy;<lb/>cipium per &longs;e notum, quod eiu&longs;dem fluidi con&longs;i&longs;ten&shy;<lb/>tis, partes qu&aelig; &longs;int continuat&ecedil; in eodem plano hori&shy;<lb/>zontaliminus pre&longs;&longs;&aelig; debeant eijci expellique &longs;ur&longs;um <lb/><expan abbr="perp&etilde;diculariter">perpendiculariter</expan> &agrave; partibus eiu&longs;dem fluidi magis <expan abbr="c&otilde;-pre&longs;&longs;is">con&shy;<lb/>pre&longs;&longs;is</expan>, hoc ver&ograve; principium, lic&egrave;t veri&longs;&longs;imum &longs;it, ha&shy;<lb/>bettamen aliquam ob&longs;curitatem, c&ugrave;m minim&egrave; eui&shy;<lb/>dens &longs;it, quamobrem partes ein&longs;dem fluidi po&longs;&longs;int <lb/>magis, <gap/> minus com<gap/>rimi; nec pariter euidenter </s></p><pb xlink:href="010/01/013.jpg" pagenum="5"/><p type="main"> <s>Pr&aelig;terea Archimedes &longs;uppo&longs;uit vt primum prin&shy;<lb/>cipium per &longs;e notum, quod eiu&longs;dem fluidi con&longs;i&longs;ten&shy;<lb/>tis, partes qu&aelig; &longs;int continuat&ecedil; in eodem plano hori&shy;<lb/>zontaliminus pre&longs;&longs;&aelig; debeant eijci expellique &longs;ur&longs;um <lb/><expan abbr="perp&etilde;diculariter">perpendiculariter</expan> &agrave; partibus eiu&longs;dem fluidi magis <expan abbr="c&otilde;pre&longs;&longs;is">com&shy;<lb/>pre&longs;&longs;is</expan>, hoc ver&ograve; principium, lic&egrave;t veri&longs;&longs;imum &longs;it, ha&shy;<lb/>bet tamen aliquam ob&longs;curitatem, c&ugrave;m minim&egrave; eui&shy;<lb/>dens &longs;it, quamobrem partes eiu&longs;dem fluidi po&longs;&longs;int <lb/>magis, aut minus comprimi; nec pariter euidenter </s></p><pb xlink:href="010/01/013.jpg" pagenum="5"/><p type="main">
  
 <s><arrow.to.target n="marg5"/><lb/>percipitur quomodo &agrave; naturali operatione, de&longs;cen&shy;<lb/>&longs;us nemp&egrave; deor&longs;um, produci debeat operatio <expan abbr="qu&aelig;d&atilde;">qu&aelig;dam</expan> <lb/>contraria, a&longs;cen&longs;us nimirum alterius partis eiu&longs;dem <lb/>fluidi &longs;cilicet recedendo a centro telluris. </s> <s><arrow.to.target n="marg5"/><lb/>percipitur quomodo &agrave; naturali operatione, de&longs;cen&shy;<lb/>&longs;us nemp&egrave; deor&longs;um, produci debeat operatio <expan abbr="qu&aelig;d&atilde;">qu&aelig;dam</expan> <lb/>contraria, a&longs;cen&longs;us nimirum alterius partis eiu&longs;dem <lb/>fluidi &longs;cilicet recedendo a centro telluris. </s>
  
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 <s>SIt graue AB exten&longs;um, vel compo&longs;itum ex dua&shy;<lb/>bus partibus in extremitatibus eiu&longs;dem libr&aelig; <lb/>horizontalis AB di&longs;po&longs;itis, &amp; commune centrum gra&shy;<lb/>uitatis earum &longs;it D. &longs;u&longs;ti&shy;<lb/><figure id="id.010.01.013.1.jpg" xlink:href="010/01/013/1.jpg"/><lb/>neatur po&longs;tea, fulciatur&shy;<lb/>que tota libra ex puncto <lb/>C remoto &agrave; centro graui&shy;<lb/>tatis D. dico qu&ograve;d pars <lb/>eius oppo&longs;ita B &longs;ur&longs;u&mtail; <lb/>a&longs;cendet per arcum BF, <lb/>hac &longs;olummodo de cau&longs;&atail; <lb/>quia integrum graue AB magis, qu&agrave;m prius ad cen&shy;<lb/>trum terr&aelig; accedit. </s> <s>SIt graue AB exten&longs;um, vel compo&longs;itum ex dua&shy;<lb/>bus partibus in extremitatibus eiu&longs;dem libr&aelig; <lb/>horizontalis AB di&longs;po&longs;itis, &amp; commune centrum gra&shy;<lb/>uitatis earum &longs;it D. &longs;u&longs;ti&shy;<lb/><figure id="id.010.01.013.1.jpg" xlink:href="010/01/013/1.jpg"/><lb/>neatur po&longs;tea, fulciatur&shy;<lb/>que tota libra ex puncto <lb/>C remoto &agrave; centro graui&shy;<lb/>tatis D. dico qu&ograve;d pars <lb/>eius oppo&longs;ita B &longs;ur&longs;u&mtail; <lb/>a&longs;cendet per arcum BF, <lb/>hac &longs;olummodo de cau&longs;&atail; <lb/>quia integrum graue AB magis, qu&agrave;m prius ad cen&shy;<lb/>trum terr&aelig; accedit. </s>
  
 <s>quia du&aelig; partes graues A &amp; B <lb/>exercent &longs;uam grauitatem &amp; conatum compre&longs;&longs;iuum <lb/>in centro communi earum grauitatum D; e&longs;t que <lb/>pr&aelig;dictum centrum D re mo<gap/>m a fulcimento &longs;tabili <lb/>C, igitur efformabitur veluti fune-pendulum CD <pb xlink:href="010/01/014.jpg" pagenum="6"/><arrow.to.target n="marg6"/><lb/>horizontaliter con&longs;titutum, &longs;u&longs;pen&longs;um, &amp; alligatum <lb/>in centro C &amp; pondus vniuer&longs;um applicatum eriti&ntail; <lb/>centro D extremo fili, vel line&aelig; CD: &longs;ed penduli na&shy;<lb/>tura talis e&longs;t vt conetur deor&longs;um ferri per arcum qua&shy;<lb/>drantis DE circa centrum eius &longs;ixum C v&longs;que ad lo&shy;<lb/>cum infimum E, quod magis ad centrum terr&aelig; appro&shy;<lb/>ximatur, qu&agrave;m in &longs;itu horizontali D &amp; patet qu&ograve;d <lb/>vniuer&longs;a h&aelig;coperatio nece&longs;&longs;aria, &amp; naturalis e&longs;t de&shy;<lb/>pendens &agrave; de&longs;cen&longs;u totius grauis. </s> <s>quia du&aelig; partes graues A &amp; B <lb/>exercent &longs;uam grauitatem &amp; conatum compre&longs;&longs;iuum <lb/>in centro communi earum grauitatum D; e&longs;t que <lb/>pr&aelig;dictum centrum D remotum &agrave; fulcimento &longs;tabili <lb/>C, igitur efformabitur veluti fune-pendulum CD <pb xlink:href="010/01/014.jpg" pagenum="6"/><arrow.to.target n="marg6"/><lb/>horizontaliter con&longs;titutum, &longs;u&longs;pen&longs;um, &amp; alligatum <lb/>in centro C &amp; pondus vniuer&longs;um applicatum eriti&ntail; <lb/>centro D extremo fili, vel line&aelig; CD: &longs;ed penduli na&shy;<lb/>tura talis e&longs;t vt conetur deor&longs;um ferri per arcum qua&shy;<lb/>drantis DE circa centrum eius &longs;ixum C v&longs;que ad lo&shy;<lb/>cum infimum E, quod magis ad centrum terr&aelig; appro&shy;<lb/>ximatur, qu&agrave;m in &longs;itu horizontali D &amp; patet qu&ograve;d <lb/>vniuer&longs;a h&aelig;coperatio nece&longs;&longs;aria, &amp; naturalis e&longs;t de&shy;<lb/>pendens &agrave; de&longs;cen&longs;u totius grauis. </s>
  
 <s>&amp; e&longs;t impo&longs;&longs;ibil&etail; <lb/>vt fune pendulum CD ad in fimum &longs;itum CE perduca&shy;<lb/>tur ab&longs;que eo qu&ograve;d libra rigida &longs;itum perpendicula&shy;<lb/>rem ad horizontem acquirat, quale e&longs;t GCF, hoc ve&shy;<lb/>ro minim&egrave; acquiri pote&longs;t ni&longs;i pars minus grauis libr&aelig; <lb/>B &longs;ur&longs;um a&longs;cendat per arcum BF, igitur ca&longs;us, &amp; de&shy;<lb/>&longs;cen&longs;us totius corporis grauis AB &agrave; &longs;itu eleuato D ad <lb/>infimum E e&longs;t vera &amp; legitima cau&longs;a a&longs;cen&longs;us corpo&shy;<lb/>ris grauis B per arcum BF, quod fuerat o&longs;tendendum. </s></p><p type="margin"> <s>&amp; e&longs;t impo&longs;&longs;ibil&etail; <lb/>vt fune pendulum CD ad in fimum &longs;itum CE perduca&shy;<lb/>tur ab&longs;que eo qu&ograve;d libra rigida &longs;itum perpendicula&shy;<lb/>rem ad horizontem acquirat, quale e&longs;t GCF, hoc ve&shy;<lb/>ro minim&egrave; acquiri pote&longs;t ni&longs;i pars minus grauis libr&aelig; <lb/>B &longs;ur&longs;um a&longs;cendat per arcum BF, igitur ca&longs;us, &amp; de&shy;<lb/>&longs;cen&longs;us totius corporis grauis AB &agrave; &longs;itu eleuato D ad <lb/>infimum E e&longs;t vera &amp; legitima cau&longs;a a&longs;cen&longs;us corpo&shy;<lb/>ris grauis B per arcum BF, quod fuerat o&longs;tendendum. </s></p><p type="margin">
  
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 <s>vt <lb/>in appo&longs;ito &longs;chemat&etail;. <lb/></s> <s>vt <lb/>in appo&longs;ito &longs;chemat&etail;. <lb/></s>
  
 <s>&longs;it tympanum &aelig;reum AF <lb/>BG comprehen&longs;um &agrave; &longs;u&shy;<lb/>perficie curua cylindrica &aelig;rea &amp; &agrave; duabus laminis <lb/>planis circularibus inter &longs;e parallelis optim&egrave; l&aelig;uiga&shy;<lb/>tis &amp; cum illa coaptatis conglutinati&longs;que, ver&ugrave;m in&shy;<lb/>tra tympani cauitatem collocetur lamina plana FCG <lb/>qu&aelig; v&longs;um diaphragmatis pr&aelig;&longs;tet &amp; medietas cylin&shy;<lb/>dri FCGA aqua ver hydrargiro repleatur, reliqu&atail; <lb/>ver&ograve; medictas BFCG oleo velaere oppleta &longs;it; lami&shy;<lb/>na ver&ograve; FCG axi HC annexa &amp; ferruminata intr&atail; <lb/>tympanum &amp; circa axim fixum C manubrio aliquo <lb/>H fix&egrave; retineri &amp; reuolui po&longs;&longs;it, hac lege vt exact&egrave; <pb xlink:href="010/01/018.jpg" pagenum="10"/><arrow.to.target n="marg10"/><lb/>tangat &longs;uperficies internas ambarum ba&longs;ium plana&shy;<lb/>rum &amp; cauam &longs;uperficiem curuam eiu&longs;dem tympani: <lb/>oportet auten<gap/> vt ad in&longs;tar epi&longs;tomij exacti&longs;&longs;inr&egrave; dia&shy;<lb/>phragn<gap/>a illud reuolutum ab&longs;que vlla rima occludat <lb/>egre&longs;&longs;umque impediat aqu&aelig; vel mercurio in &longs;emicy&shy;<lb/>lindro FAG contento, remanente reliquo &longs;patio G <lb/>BF aere, vel oleo oppleto, &longs;itque pr&aelig;terea moles to&shy;<lb/>tius tympani &longs;u&longs;pen&longs;a in ip&longs;o axi C aflixo duobus ful&shy;<lb/>cris vt liber&egrave; circumuolui tympanum po&longs;&longs;it in plano <lb/>perpendiculari ad horizontem; tunc &longs;i vi manus ma&shy;<lb/>nubrium H eique annexum diaphragma FCG perpe&shy;<lb/>tu&ograve; in &longs;itu verticali ad horizontem retineretur, pro&shy;<lb/>culdubio (dic&egrave;bat amicus) haberemus in tali ca&longs;u li&shy;<lb/>bram radiorum &aelig;qualium perpetuam imaginaria&mtail; <lb/>ACB qu&aelig; ab in&aelig;qualibus ponderibus premeretur, <lb/>fcilic&egrave;t &agrave; pondere emi&longs;ph&aelig;rij mercurialis vel aquei <lb/>FAG radius CA grauaretur, dum oppo&longs;itus radius C <lb/>B &agrave; leuiori pondere olei, vel aeris deprimeretur. </s> <s>&longs;it tympanum &aelig;reum AF <lb/>BG comprehen&longs;um &agrave; &longs;u&shy;<lb/>perficie curua cylindrica &aelig;rea &amp; &agrave; duabus laminis <lb/>planis circularibus inter &longs;e parallelis optim&egrave; l&aelig;uiga&shy;<lb/>tis &amp; cum illa coaptatis conglutinati&longs;que, ver&ugrave;m in&shy;<lb/>tra tympani cauitatem collocetur lamina plana FCG <lb/>qu&aelig; v&longs;um diaphragmatis pr&aelig;&longs;tet &amp; medietas cylin&shy;<lb/>dri FCGA aqua ver hydrargiro repleatur, reliqu&atail; <lb/>ver&ograve; medictas BFCG oleo velaere oppleta &longs;it; lami&shy;<lb/>na ver&ograve; FCG axi HC annexa &amp; ferruminata intr&atail; <lb/>tympanum &amp; circa axim fixum C manubrio aliquo <lb/>H fix&egrave; retineri &amp; reuolui po&longs;&longs;it, hac lege vt exact&egrave; <pb xlink:href="010/01/018.jpg" pagenum="10"/><arrow.to.target n="marg10"/><lb/>tangat &longs;uperficies internas ambarum ba&longs;ium plana&shy;<lb/>rum &amp; cauam &longs;uperficiem curuam eiu&longs;dem tympani: <lb/>oportet autem vt ad in&longs;tar epi&longs;tomij exacti&longs;&longs;im&egrave; dia&shy;<lb/>phragma illud reuolutum ab&longs;que vlla rima occludat <lb/>egre&longs;&longs;umque impediat aqu&aelig; vel mercurio in &longs;emicy&shy;<lb/>lindro FAG contento, remanente reliquo &longs;patio G <lb/>BF aere, vel oleo oppleto, &longs;itque pr&aelig;terea moles to&shy;<lb/>tius tympani &longs;u&longs;pen&longs;a in ip&longs;o axi C aflixo duobus ful&shy;<lb/>cris vt liber&egrave; circumuolui tympanum po&longs;&longs;it in plano <lb/>perpendiculari ad horizontem; tunc &longs;i vi manus ma&shy;<lb/>nubrium H eique annexum diaphragma FCG perpe&shy;<lb/>tu&ograve; in &longs;itu verticali ad horizontem retineretur, pro&shy;<lb/>culdubio (dic&egrave;bat amicus) haberemus in tali ca&longs;u li&shy;<lb/>bram radiorum &aelig;qualium perpetuam imaginariam <lb/>ACB qu&aelig; ab in&aelig;qualibus ponderibus premeretur, <lb/>&longs;cilic&egrave;t &agrave; pondere emi&longs;ph&aelig;rij mercurialis vel aquei <lb/>FAG radius CA grauaretur, dum oppo&longs;itus radius C <lb/>B &agrave; leuiori pondere olei, vel aeris deprimeretur. </s>
  
 <s>&amp; <lb/>quia horum in&aelig;qualium ponderum centrum grauita&shy;<lb/>tis &longs;emper in aliquo puncto D intercepto inter C &amp; <lb/>A caderet, igitur &longs;emper libra AB flecti deberet de&shy;<lb/>or&longs;um ad partes A, vel potius con&longs;titueretur pendu&shy;<lb/>lum horizontale CD &longs;u&longs;pen&longs;um in centro C &amp; ide&ograve; <lb/>pendulum de&longs;cendere deberet per arcum DE; qui&atail; <lb/>ver&ograve; fluidum grauius FAG de primi non po&longs;&longs;et ob im&shy;<lb/>pedimentum diaphragmatis FCG in &longs;itu verticali &agrave; <lb/>virtute manus retenti, &longs;equeretur vt vniuer&longs;um &longs;e&shy;<lb/>micylindricum mercurij comprimendo &amp; calcando <lb/>curuam &longs;uper&longs;iciem tympani AG, qu&aelig; volubilis e&longs;t <pb xlink:href="010/01/019.jpg" pagenum="11"/><arrow.to.target n="marg11"/><lb/>eam impelleret, proindeque deor&longs;um conuerti debe&shy;<lb/>ret ab A ver&longs;us G cum &agrave; nullo retinaculo impediatur, <lb/>igitur &longs;emper reuolui po&longs;&longs;et tympanum ab A ver&longs;us <lb/>G quia &longs;emper per&longs;eueraret eadem cau&longs;a vertiginis <lb/>&longs;cilicet perpetu&ograve; con&longs;eruaretur pendulum CD in &longs;itu <lb/>horizontali, &amp; ide&ograve; &longs;emper premeret &amp; calcaret tym&shy;<lb/>pani &longs;uperficiem AG; quapropter tali artificio con&shy;<lb/>&longs;equi po&longs;&longs;e videtur motus perpetuus pr&aelig;dicti tym&shy;<lb/>pani. </s></p><p type="margin"> <s>&amp; <lb/>quia horum in&aelig;qualium ponderum centrum grauita&shy;<lb/>tis &longs;emper in aliquo puncto D intercepto inter C &amp; <lb/>A caderet, igitur &longs;emper libra AB flecti deberet de&shy;<lb/>or&longs;um ad partes A, vel potius con&longs;titueretur pendu&shy;<lb/>lum horizontale CD &longs;u&longs;pen&longs;um in centro C &amp; ide&ograve; <lb/>pendulum de&longs;cendere deberet per arcum DE; qui&atail; <lb/>ver&ograve; fluidum grauius FAG de primi non po&longs;&longs;et ob im&shy;<lb/>pedimentum diaphragmatis FCG in &longs;itu verticali &agrave; <lb/>virtute manus retenti, &longs;equeretur vt vniuer&longs;um &longs;e&shy;<lb/>micylindricum mercurij comprimendo &amp; calcando <lb/>curuam &longs;uper&longs;iciem tympani AG, qu&aelig; volubilis e&longs;t <pb xlink:href="010/01/019.jpg" pagenum="11"/><arrow.to.target n="marg11"/><lb/>eam impelleret, proindeque deor&longs;um conuerti debe&shy;<lb/>ret ab A ver&longs;us G cum &agrave; nullo retinaculo impediatur, <lb/>igitur &longs;emper reuolui po&longs;&longs;et tympanum ab A ver&longs;us <lb/>G quia &longs;emper per&longs;eueraret eadem cau&longs;a vertiginis <lb/>&longs;cilicet perpetu&ograve; con&longs;eruaretur pendulum CD in &longs;itu <lb/>horizontali, &amp; ide&ograve; &longs;emper premeret &amp; calcaret tym&shy;<lb/>pani &longs;uperficiem AG; quapropter tali artificio con&shy;<lb/>&longs;equi po&longs;&longs;e videtur motus perpetuus pr&aelig;dicti tym&shy;<lb/>pani. </s></p><p type="margin">
  
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 <s><emph type="center"/>PROP. IX.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main"> <s><emph type="center"/>PROP. IX.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>Corpus aqua grauius in ea demer&longs;um dum de&longs;cendit consti&shy;<lb/>tuit cu<gap/> &aelig;qualimole collateralis fluidi libram <expan abbr="&aelig;quali&utilde;">&aelig;qualium</expan> <lb/>radiorum, cuius centrum grauitatis continenter <lb/>de&longs;cendende eleuat leuiorem aquam col&shy;<lb/>lateralem, &longs;emperque renouatur <lb/>horizontalis libra.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>Corpus aqua grauius in ea demer&longs;um dum de&longs;cendit consti&shy;<lb/>tuit cum &aelig;qualimole collateralis fluidi libram <expan abbr="&aelig;quali&utilde;">&aelig;qualium</expan> <lb/>radiorum, cuius centrum grauitatis continenter <lb/>de&longs;cendende eleuat leuiorem aquam col&shy;<lb/>lateralem, &longs;emperque renouatur <lb/>horizontalis libra.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
 <s>HOc pr&aelig;mi&longs;&longs;o intelligatur iam vas aqu&agrave; plenum <lb/>RSTX, &amp; intra eius profunditatem appona&shy;<lb/>tur pri&longs;ma marmoreum ABCD, &amp; producantur eius <lb/>ba&longs;es horizontales AB, &amp; CD <lb/><figure id="id.010.01.033.1.jpg" xlink:href="010/01/033/1.jpg"/><lb/>v&longs;que ad G &amp; H, atque planu&mtail; <lb/>AD producatur &longs;ur&longs;um, &amp; deor&shy;<lb/>&longs;um v&longs;que ad M, &amp; V perpendi&shy;<lb/>culariter ad horizontem. </s> <s>HOc pr&aelig;mi&longs;&longs;o intelligatur iam vas aqu&agrave; plenum <lb/>RSTX, &amp; intra eius profunditatem appona&shy;<lb/>tur pri&longs;ma marmoreum ABCD, &amp; producantur eius <lb/>ba&longs;es horizontales AB, &amp; CD <lb/><figure id="id.010.01.033.1.jpg" xlink:href="010/01/033/1.jpg"/><lb/>v&longs;que ad G &amp; H, atque planu&mtail; <lb/>AD producatur &longs;ur&longs;um, &amp; deor&shy;<lb/>&longs;um v&longs;que ad M, &amp; V perpendi&shy;<lb/>culariter ad horizontem. </s>
  
 <s>hic iam <lb/>habemus <expan abbr="&longs;iphon&etilde;">&longs;iphonem</expan> oblongum in &longs;e <lb/>ip&longs;um circumductum, vt in pr&ecedil;&shy;<lb/>cedenti propo&longs;itione expo&longs;itum fuit, quia aqua BM <lb/>GHVC ambit pri&longs;ma &longs;upern&egrave;, lateraliter, &amp; infern&egrave;, <lb/>nec moueri pote&longs;t <expan abbr="de&longs;c&etilde;dendo">de&longs;cendendo</expan> pri&longs;ma AC quin aqua <pb xlink:href="010/01/034.jpg" pagenum="26"/><arrow.to.target n="marg26"/><lb/>&longs;ubiecta CID &egrave; &longs;uo loco expellatur, &amp; lateralit&egrave;r fluat <lb/>ver&longs;us P, circumfera turque &longs;ur&longs;um v&longs;que ad locu&mtail; <lb/>relictum &agrave; pr&ecedil;dicto pri&longs;mate lapideo in E. &longs;unt igitur <lb/>du&aelig; partes MT, &amp; MS veluti duo canales laterales <lb/>&longs;iphonis, quitamen &longs;e&longs;e contingunt in communi la&shy;<lb/>tere MV; pr&aelig;tere&agrave; du&aelig; portiones aqu&aelig; &longs;uprem&aelig; XA, <lb/>&amp; MG c&ugrave;m &longs;int homogene&aelig;, &aelig;qu&egrave; graues &longs;pecie, &amp; <lb/>&aelig;que alt&aelig;, &longs;e mutu&ograve; &aelig;quilibrantur, pariterque du&aelig; <lb/>portiones aque&aelig; &longs;ubiect&aelig; CV, &amp; DS pariter &aelig;quili&shy;<lb/>brantur, vnde patet qu&ograve;d tantummodo comparari <lb/>debent inter &longs;e duo corpora collateralia &longs;axum nimi&shy;<lb/>rum BD, &amp; aqua AH, qu&aelig; ab ei&longs;dem planis horizon&shy;<lb/>talibus BG, &amp; HC comprehenduntur, &amp; h&aelig;c &longs;imiliter <lb/>fulciuntur &longs;u&longs;tentanturque &agrave; plano aqu&aelig; &longs;ubiect&aelig; H <lb/>C <expan abbr="n&otilde;">non</expan> firmo, &amp; impermeabili, &longs;ed facil&egrave; &agrave; &longs;uo loco <lb/>amouibili &amp; cedenti. </s> <s>hic iam <lb/>habemus <expan abbr="&longs;iphon&etilde;">&longs;iphonem</expan> oblongum in &longs;e <lb/>ip&longs;um circumductum, vt in pr&ecedil;&shy;<lb/>cedenti propo&longs;itione expo&longs;itum fuit, quia aqua BM <lb/>GHVC ambit pri&longs;ma &longs;upern&egrave;, lateraliter, &amp; infern&egrave;, <lb/>nec moueri pote&longs;t <expan abbr="de&longs;c&etilde;dendo">de&longs;cendendo</expan> pri&longs;ma AC quin aqua <pb xlink:href="010/01/034.jpg" pagenum="26"/><arrow.to.target n="marg26"/><lb/>&longs;ubiecta CID &egrave; &longs;uo loco expellatur, &amp; lateralit&egrave;r fluat <lb/>ver&longs;us P, circumfera turque &longs;ur&longs;um v&longs;que ad locu&mtail; <lb/>relictum &agrave; pr&ecedil;dicto pri&longs;mate lapideo in E. &longs;unt igitur <lb/>du&aelig; partes MT, &amp; MS veluti duo canales laterales <lb/>&longs;iphonis, quitamen &longs;e&longs;e contingunt in communi la&shy;<lb/>tere MV; pr&aelig;tere&agrave; du&aelig; portiones aqu&aelig; &longs;uprem&aelig; XA, <lb/>&amp; MG c&ugrave;m &longs;int homogene&aelig;, &aelig;qu&egrave; graues &longs;pecie, &amp; <lb/>&aelig;que alt&aelig;, &longs;e mutu&ograve; &aelig;quilibrantur, pariterque du&aelig; <lb/>portiones aque&aelig; &longs;ubiect&aelig; CV, &amp; DS pariter &aelig;quili&shy;<lb/>brantur, vnde patet qu&ograve;d tantummodo comparari <lb/>debent inter &longs;e duo corpora collateralia &longs;axum nimi&shy;<lb/>rum BD, &amp; aqua AH, qu&aelig; ab ei&longs;dem planis horizon&shy;<lb/>talibus BG, &amp; HC comprehenduntur, &amp; h&aelig;c &longs;imiliter <lb/>fulciuntur &longs;u&longs;tentanturque &agrave; plano aqu&aelig; &longs;ubiect&aelig; H <lb/>C <expan abbr="n&otilde;">non</expan> firmo, &amp; impermeabili, &longs;ed facil&egrave; &agrave; &longs;uo loco <lb/>amouibili &amp; cedenti. </s>
  
 <s>in&longs;i&longs;tunt igitur pr&aelig;dicta duo cor <lb/>pora BD, &amp; AH non &longs;ec&ugrave;s &longs;u&longs;pen&longs;a ac &longs;i &longs;uper libram <lb/>HC inniterentur; huius ver&ograve; centrum mobile e&longs;&longs;et <lb/>punctum intermedium D, vbi nimirum libra HC bi&shy;<lb/>fari&agrave;m &longs;ecatur, &amp; &longs;i &agrave; centro grauitatis O &longs;axi BD ad <lb/>centrum P grauitatis aqu&aelig; AH recta linea <expan abbr="coni&utilde;ga-tur">coniunga&shy;<lb/>tur</expan>, eaque &longs;ecetur in Y reciproc&egrave; &longs;ecund&ugrave;m propor&shy;<lb/>tionem grauitatum eorumdem corporum, patet Y e&longs;&shy;<lb/>&longs;e centrum grauitatis communis &longs;axi BD, &amp; aqu&aelig; A <lb/>H, c&ugrave;mque libra PO &longs;ecetur bifari&agrave;m &agrave; plano MV in <lb/>Q iam con&longs;u<gap/>get fune-pendulum QY horizontaliter <lb/>excen&longs;um vers&ugrave;s O ob exce&longs;&longs;um grauitatis &longs;axi &longs;upra <lb/>aqu&aelig; pondus &longs;pecificum, igitur nece&longs;s&egrave; e&longs;t vt tot&atail; <lb/>libra flecta<gap/> <expan abbr="deors&utilde;">deorsum</expan>, &amp; &longs;ic &longs;axum BD <expan abbr="de&longs;c&etilde;det">de&longs;cendet</expan>. </s> <s>in&longs;i&longs;tunt igitur pr&aelig;dicta duo cor&shy;<lb/>pora BD, &amp; AH non &longs;ec&ugrave;s &longs;u&longs;pen&longs;a ac &longs;i &longs;uper libram <lb/>HC inniterentur; huius ver&ograve; centrum mobile e&longs;&longs;et <lb/>punctum intermedium D, vbi nimirum libra HC bi&shy;<lb/>fari&agrave;m &longs;ecatur, &amp; &longs;i &agrave; centro grauitatis O &longs;axi BD ad <lb/>centrum P grauitatis aqu&aelig; AH recta linea <expan abbr="coni&utilde;ga-tur">coniunga&shy;<lb/>tur</expan>, eaque &longs;ecetur in Y reciproc&egrave; &longs;ecund&ugrave;m propor&shy;<lb/>tionem grauitatum eorumdem corporum, patet Y e&longs;&shy;<lb/>&longs;e centrum grauitatis communis &longs;axi BD, &amp; aqu&aelig; A <lb/>H, c&ugrave;mque libra PO &longs;ecetur bifari&agrave;m &agrave; plano MV in <lb/>Q iam con&longs;urget fune-pendulum QY horizontaliter <lb/>excen&longs;um vers&ugrave;s O ob exce&longs;&longs;um grauitatis &longs;axi &longs;upra <lb/>aqu&aelig; pondus &longs;pecificum, igitur nece&longs;s&egrave; e&longs;t vt tot&atail; <lb/>libra flectatur <expan abbr="deors&utilde;">deorsum</expan>, &amp; &longs;ic &longs;axum BD <expan abbr="de&longs;c&etilde;det">de&longs;cendet</expan>. </s>
  
 <s>Quia <pb xlink:href="010/01/035.jpg" pagenum="27"/><arrow.to.target n="marg27"/><lb/>ver&ograve; in de&longs;cen&longs;u aqua &longs;ubiecta expul&longs;a ex I curuo iti&shy;<lb/>nere &longs;ur&longs;um fluit per ZF v&longs;que ad E denu&ograve; renouatur <lb/>libra horizontalis, comparanturque inter &longs;e &longs;axum B <lb/>D cum aqua collaterali in nouo &longs;itu horizontali de&shy;<lb/>pre&longs;&longs;iori exi&longs;tente, igitur denu&ograve; eadem proportione <lb/>di&longs;&longs;ecta libra imaginaria horizontali, <expan abbr="fune-pendul&utilde;">fune-pendulum</expan> <lb/>&aelig;quale priori eadem vi flectetur <expan abbr="deors&utilde;">deorsum</expan>, <expan abbr="de&longs;cendetq;">de&longs;cendetque</expan> <lb/>centrum grauitatis eius motu perpendiculari ad hori&shy;<lb/>zontem qu&ograve;u&longs;que ad fundum va&longs;is &longs;axum pertingat. </s></p><p type="margin"> <s>Quia <pb xlink:href="010/01/035.jpg" pagenum="27"/><arrow.to.target n="marg27"/><lb/>ver&ograve; in de&longs;cen&longs;u aqua &longs;ubiecta expul&longs;a ex I curuo iti&shy;<lb/>nere &longs;ur&longs;um fluit per ZF v&longs;que ad E denu&ograve; renouatur <lb/>libra horizontalis, comparanturque inter &longs;e &longs;axum B <lb/>D cum aqua collaterali in nouo &longs;itu horizontali de&shy;<lb/>pre&longs;&longs;iori exi&longs;tente, igitur denu&ograve; eadem proportione <lb/>di&longs;&longs;ecta libra imaginaria horizontali, <expan abbr="fune-pendul&utilde;">fune-pendulum</expan> <lb/>&aelig;quale priori eadem vi flectetur <expan abbr="deors&utilde;">deorsum</expan>, <expan abbr="de&longs;cendetq;">de&longs;cendetque</expan> <lb/>centrum grauitatis eius motu perpendiculari ad hori&shy;<lb/>zontem qu&ograve;u&longs;que ad fundum va&longs;is &longs;axum pertingat. </s></p><p type="margin">
  
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 <s><emph type="center"/>PROP. X.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main"> <s><emph type="center"/>PROP. X.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>Idip&longs;um sentingit, &longs;ed inuer&longs;o ordine cum corpus de&shy;<lb/><gap/>er&longs;um min&ugrave;s graue aqua collaterali fueris.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>Idip&longs;um sentingit, &longs;ed inuer&longs;o ordine cum corpus de&shy;<lb/>mer&longs;um min&ugrave;s graue aqua collaterali fueris.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
 <s>SI po&longs;tea pri&longs;ma BD fuerit ligneum, &amp; min&ugrave;s gra&shy;<lb/>ue &longs;pecie quam aqua AH, tunc ij&longs;dem manen&shy;<lb/>tibus &longs;olummod&ograve; centrum grauitatis communis Y <lb/>cadet ad partes aqu&aelig; inter Q &amp; P, &amp; proind&egrave; vniuer&shy;<lb/>&longs;um graue compo&longs;itum ex aqua, &amp; ligno vim faciet <lb/><expan abbr="impell&etilde;do">impellendo</expan> deor&longs;um centrum gra&shy;<lb/><figure id="id.010.01.035.1.jpg" xlink:href="010/01/035/1.jpg"/><lb/>uitatis Y, &amp; ide&ograve; vehementi&ugrave;s <expan abbr="c&otilde;-primetur">con&shy;<lb/>primetur</expan> aqua &longs;ubiecta HDVS, <lb/>h&aelig;c ver&ograve; ob eius continuitatem <lb/>&amp; naturam <expan abbr="con&longs;i&longs;t&etilde;tem">con&longs;i&longs;tentem</expan>, qu&aelig; pre&longs;&shy;<lb/>&longs;ioni non cedit, nece&longs;&longs;ari&ograve; impel&shy;<lb/>letur vers&ugrave;s I, &amp; &longs;ic vim faciet &longs;ur&shy;<lb/>&longs;um exprimendo ligni &longs;uperficiem DC; at dum <expan abbr="lign&utilde;">lignum</expan> <lb/>a&longs;cendit, oportet vt expellat &egrave; &longs;uo loco <expan abbr="incumbent&etilde;">incumbentem</expan> <lb/>aquam E, qu&aelig; tran&longs;uer&longs;ali &amp; obliquo motu perduce-<pb xlink:href="010/01/036.jpg" pagenum="28"/><arrow.to.target n="marg28"/><lb/>tur ab E per FZ vers&ugrave;<gap/>, &amp; &longs;ic &agrave; pr&aelig;dicto motu circu&shy;<lb/>lari aqu&aelig; ambiemis lignum expelletur &longs;urs&ugrave;m; atta&shy;<lb/>men ratio mechanica <gap/>ius actionis pendet ex eo, <lb/>qu&ograve;d libra horizontalis imaginaria PO flectitur per&shy;<lb/>petu&ograve; deors&ugrave;m quidem ad partes centri grauitatis Y <lb/>circa centrum Q, &amp; &longs;urs&ugrave;m ad partes O. &longs;ed &longs;ummo&shy;<lb/>per&egrave; animaduerten dum e&longs;t pr&aelig;dictam libram imagi&shy;<lb/>nariam horizontalem renouari &longs;ucce&longs;&longs;iu&egrave; prout <expan abbr="lign&utilde;">lignum</expan> <lb/>a&longs;cendit, <expan abbr="comparaturq;">comparaturque</expan> cum alijs lateralibus pri&longs;ma&shy;<lb/>tibus aqueis, qu&aelig; &longs;ucce&longs;&longs;iu&egrave; offendit intercepta in&shy;<lb/>ter pr&aelig;dicta plana horizontalia GB, &amp; HC: nece&longs;s&egrave; <lb/>ergo e&longs;t vt lignum pr&aelig;dictum numqu&agrave;m quie&longs;cat in&shy;<lb/>tra aquam demer&longs;um qu&ograve;u&longs;que ad &longs;upremam <expan abbr="libell&atilde;">libellam</expan> <lb/>aqu&aelig; RX perducatur; in&longs;uperque aliqua eius por&shy;<lb/>tio emineat. </s></p><p type="margin"> <s>SI po&longs;tea pri&longs;ma BD fuerit ligneum, &amp; min&ugrave;s gra&shy;<lb/>ue &longs;pecie quam aqua AH, tunc ij&longs;dem manen&shy;<lb/>tibus &longs;olummod&ograve; centrum grauitatis communis Y <lb/>cadet ad partes aqu&aelig; inter Q &amp; P, &amp; proind&egrave; vniuer&shy;<lb/>&longs;um graue compo&longs;itum ex aqua, &amp; ligno vim faciet <lb/><expan abbr="impell&etilde;do">impellendo</expan> deor&longs;um centrum gra&shy;<lb/><figure id="id.010.01.035.1.jpg" xlink:href="010/01/035/1.jpg"/><lb/>uitatis Y, &amp; ide&ograve; vehementi&ugrave;s <expan abbr="c&otilde;-primetur">con&shy;<lb/>primetur</expan> aqua &longs;ubiecta HDVS, <lb/>h&aelig;c ver&ograve; ob eius continuitatem <lb/>&amp; naturam <expan abbr="con&longs;i&longs;t&etilde;tem">con&longs;i&longs;tentem</expan>, qu&aelig; pre&longs;&shy;<lb/>&longs;ioni non cedit, nece&longs;&longs;ari&ograve; impel&shy;<lb/>letur vers&ugrave;s I, &amp; &longs;ic vim faciet &longs;ur&shy;<lb/>&longs;um exprimendo ligni &longs;uperficiem DC; at dum <expan abbr="lign&utilde;">lignum</expan> <lb/>a&longs;cendit, oportet vt expellat &egrave; &longs;uo loco <expan abbr="incumbent&etilde;">incumbentem</expan> <lb/>aquam E, qu&aelig; tran&longs;uer&longs;ali &amp; obliquo motu perduce-<pb xlink:href="010/01/036.jpg" pagenum="28"/><arrow.to.target n="marg28"/><lb/>tur ab E per FZ vers&ugrave;s I, &amp; &longs;ic &agrave; pr&aelig;dicto motu circu&shy;<lb/>lari aqu&aelig; ambiemis lignum expelletur &longs;urs&ugrave;m; atta&shy;<lb/>men ratio mechanica huius actionis pendet ex eo, <lb/>qu&ograve;d libra horizontalis imaginaria PO flectitur per&shy;<lb/>petu&ograve; deors&ugrave;m quidem ad partes centri grauitatis Y <lb/>circa centrum Q, &amp; &longs;urs&ugrave;m ad partes O. &longs;ed &longs;ummo&shy;<lb/>per&egrave; animaduertendum e&longs;t pr&aelig;dictam libram imagi&shy;<lb/>nariam horizontalem renouari &longs;ucce&longs;&longs;iu&egrave; prout <expan abbr="lign&utilde;">lignum</expan> <lb/>a&longs;cendit, <expan abbr="comparaturq;">comparaturque</expan> cum alijs lateralibus pri&longs;ma&shy;<lb/>tibus aqueis, qu&aelig; &longs;ucce&longs;&longs;iu&egrave; offendit intercepta in&shy;<lb/>ter pr&aelig;dicta plana horizontalia GB, &amp; HC: nece&longs;s&egrave; <lb/>ergo e&longs;t vt lignum pr&aelig;dictum numqu&agrave;m quie&longs;cat in&shy;<lb/>tra aquam demer&longs;um qu&ograve;u&longs;que ad &longs;upremam <expan abbr="libell&atilde;">libellam</expan> <lb/>aqu&aelig; RX perducatur; in&longs;uperque aliqua eius por&shy;<lb/>tio emineat. </s></p><p type="margin">
  
  
 <s><margin.target id="marg28"/>Cap.  <s><margin.target id="marg28"/>Cap.
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 <s><emph type="center"/>PROP. XI.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main"> <s><emph type="center"/>PROP. XI.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>Si ver&ograve; corpus &longs;olidum po<gap/>tur &longs;upra aqu&aelig; libellam, <lb/>tunc de&longs;cen&longs;us commanis centri grauitatis non <lb/>efficietur per lineam perpendicularem ad <lb/>horizon<gap/>m &longs;ed motu curuoper <lb/>parabolam.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>Si ver&ograve; corpus &longs;olidum ponitur &longs;upra aqu&aelig; libellam, <lb/>tunc de&longs;cen&longs;us communis centri grauitatis non <lb/>efficietur per lineam perpendicularem ad <lb/>horizontem &longs;ed motu curuo per <lb/>parabolam.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
 <s>IN progre&longs;&longs;u pr&aelig;dict&aelig; operationis notabilis e&longs;t va&shy;<lb/>riatio &longs;itus centri grauitatis eius &amp; mechanic&aelig; eius <lb/>operationis. </s></p><p type="main"> <s>IN progre&longs;&longs;u pr&aelig;dict&aelig; operationis notabilis e&longs;t va&shy;<lb/>riatio &longs;itus centri grauitatis eius &amp; mechanic&aelig; eius <lb/>operationis. </s></p><p type="main">
  
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 <s><emph type="center"/>PROP. XII.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main"> <s><emph type="center"/>PROP. XII.<emph.end type="center"/><!-- KEEP S--></s></p><p type="main">
  
 <s><emph type="center"/><emph type="italics"/>I<gap/> a&longs;cen&longs;u, vel de&longs;cen&longs;u &longs;olidi in fluide neque libra linearis <lb/>e&longs;t, neque habet centrum grauitatis in vno puncto <lb/>&longs;ed libra e&longs;&longs;e &longs;olet &longs;uperficialis, cuius fulci&shy;<lb/>mentum e&longs;t linea circa centrum figur&aelig;, <lb/>&amp; grauitas communis exercetur <lb/>quoque in linea aliqua.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>In a&longs;cen&longs;u, vel de&longs;cen&longs;u &longs;olidi in fluide neque libra linearis <lb/>e&longs;t, neque habet centrum grauitatis in vno puncto <lb/>&longs;ed libra e&longs;&longs;e &longs;olet &longs;uperficialis, cuius fulci&shy;<lb/>mentum e&longs;t linea circa centrum figur&aelig;, <lb/>&amp; grauitas communis exercetur <lb/>quoque in linea aliqua.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
 <s>SOllummod&ograve; indicabo <expan abbr="n&otilde;">non</expan> &longs;emper v&longs;urpari in pr&aelig;&shy;<lb/>dicta mechanica operatione punctum, quod <expan abbr="c&otilde;-mune">con&shy;<lb/>mune</expan> centrum grauitatis vocari vulg&ograve; &longs;olet; propte&shy;<lb/>rea qu&ograve;d libra compo&longs;ita ex &longs;olido &amp; fluido ambien&shy;<lb/>te non &longs;emper linearis e&longs;t, &longs;ed &longs;uper ficiem aliquando <lb/>componit, in qua nedum fulcimentum, &longs;ed etiam lo&shy;<lb/>cus vbi exercetur communis grauitas linea e&longs;&longs;e &longs;olet <lb/>aliquando recta, aliquando curua, &amp; multoties com&shy;<lb/>po&longs;ita ex pluribus rectis. </s> <s>SOllummod&ograve; indicabo <expan abbr="n&otilde;">non</expan> &longs;emper v&longs;urpari in pr&aelig;&shy;<lb/>dicta mechanica operatione punctum, quod <expan abbr="c&otilde;-mune">con&shy;<lb/>mune</expan> centrum grauitatis vocari vulg&ograve; &longs;olet; propte&shy;<lb/>rea qu&ograve;d libra compo&longs;ita ex &longs;olido &amp; fluido ambien&shy;<lb/>te non &longs;emper linearis e&longs;t, &longs;ed &longs;uper ficiem aliquando <lb/>componit, in qua nedum fulcimentum, &longs;ed etiam lo&shy;<lb/>cus vbi exercetur communis grauitas linea e&longs;&longs;e &longs;olet <lb/>aliquando recta, aliquando curua, &amp; multoties com&shy;<lb/>po&longs;ita ex pluribus rectis. </s>
  
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 <s>pr&aelig;terea &longs;uppo&longs;uimus <lb/>cum eodem Archimede partes eiu&longs;dem fluidi min&ugrave;s <lb/>pre&longs;&longs;as expelli ac &longs;ubleuari &longs;ur&longs;um &agrave; partibus <expan abbr="eiu&longs;d&etilde;">eiu&longs;dem</expan> <lb/>fluidi magis compre&longs;&longs;is, &amp; grauatis; ex qua hypothe&shy;<lb/>&longs;i deducitur quodliber fluidum, veluti aqua e&longs;t, gra&shy;<lb/>uitatem habere eamque exercere etiam in proprio <lb/>loco, &amp; naturali regione, &longs;cilic&egrave;t aquam ip&longs;am dum in <lb/>tota aqua quie&longs;cit tunc quoque grauitatem exercere <lb/>&longs;ubiecta corpora comprimendo. <lb/><arrow.to.target n="marg34"/></s></p><p type="margin"> <s>pr&aelig;terea &longs;uppo&longs;uimus <lb/>cum eodem Archimede partes eiu&longs;dem fluidi min&ugrave;s <lb/>pre&longs;&longs;as expelli ac &longs;ubleuari &longs;ur&longs;um &agrave; partibus <expan abbr="eiu&longs;d&etilde;">eiu&longs;dem</expan> <lb/>fluidi magis compre&longs;&longs;is, &amp; grauatis; ex qua hypothe&shy;<lb/>&longs;i deducitur quodliber fluidum, veluti aqua e&longs;t, gra&shy;<lb/>uitatem habere eamque exercere etiam in proprio <lb/>loco, &amp; naturali regione, &longs;cilic&egrave;t aquam ip&longs;am dum in <lb/>tota aqua quie&longs;cit tunc quoque grauitatem exercere <lb/>&longs;ubiecta corpora comprimendo. <lb/><arrow.to.target n="marg34"/></s></p><p type="margin">
  
 <s><margin.target id="marg34"/>FxArchi&shy;<lb/>mede dedu&shy;<lb/>cunt aqu<gap/><lb/>in ipsa aqu<gap/><lb/>non grauita&shy;<lb/>re, &amp; id <expan abbr="ips&utilde;">ipsum</expan> <lb/>Petipatetic<gap/><lb/>affirma<gap/>t.</s></p><p type="main"> <s><margin.target id="marg34"/>Ex Archi&shy;<lb/>mede dedu&shy;<lb/>cunt aquam <lb/>in ipsa aqua <lb/>non grauita&shy;<lb/>re, &amp; id <expan abbr="ips&utilde;">ipsum</expan> <lb/>Peripatetici <lb/>affirmaret.</s></p><p type="main">
  
 <s>Hoc autem &agrave; plurimis negatur qui putant Archi&shy;<lb/>medem oppo&longs;itum &longs;en&longs;i&longs;&longs;e. </s> <s>Hoc autem &agrave; plurimis negatur qui putant Archi&shy;<lb/>medem oppo&longs;itum &longs;en&longs;i&longs;&longs;e. </s>
  
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 <s>igitur huiu&longs;&shy;<lb/>modi facultates ordinat&aelig; &longs;unt ad perducenda <expan abbr="elem&etilde;-taria">elemen&shy;<lb/>taria</expan> corpora ad propria loca vt ibidem quie&longs;cant; <lb/>nec vlteri&ugrave;s v&longs;um aliquem habere po&longs;&longs;unt, quando&shy;<lb/>quidem &longs;i pr&aelig;terea motum pro&longs;e querentur in &longs;uis lo&shy;<lb/>cis perturbarent &amp; confunderent naturalem fituatio-<pb xlink:href="010/01/043.jpg" pagenum="35"/><arrow.to.target n="marg36"/><lb/>nem eorumdem corporum. </s> <s>igitur huiu&longs;&shy;<lb/>modi facultates ordinat&aelig; &longs;unt ad perducenda <expan abbr="elem&etilde;-taria">elemen&shy;<lb/>taria</expan> corpora ad propria loca vt ibidem quie&longs;cant; <lb/>nec vlteri&ugrave;s v&longs;um aliquem habere po&longs;&longs;unt, quando&shy;<lb/>quidem &longs;i pr&aelig;terea motum pro&longs;e querentur in &longs;uis lo&shy;<lb/>cis perturbarent &amp; confunderent naturalem fituatio-<pb xlink:href="010/01/043.jpg" pagenum="35"/><arrow.to.target n="marg36"/><lb/>nem eorumdem corporum. </s>
  
 <s>&amp; profect&ograve; e&longs;t con&longs;enta&shy;<lb/>neum vt elementa non nitantur de&longs;erere propria lo&shy;<lb/>ca, &amp; propterea careant illo naturali &longs;t<gap/>ulo &longs;eu prin&shy;<lb/>cipio motus quo impellebantur antequam ad &longs;ua na&shy;<lb/>turalia loca perueni&longs;&longs;ent; hinc deducitur nullum ele&shy;<lb/>mentum in proprio loco grauitatem, aut leuitate&mtail; <lb/>habere, &longs;ed aqua in ip&longs;a aqua po&longs;ita in propria, &amp; na&shy;<lb/>turali regione degit &amp; &longs;ic aer in aere, ergo neutru&mtail; <lb/>horum elementorum grauitatem in &longs;uo loco habet, <lb/>aut exercet. </s> <s>&amp; profect&ograve; e&longs;t con&longs;enta&shy;<lb/>neum vt elementa non nitantur de&longs;erere propria lo&shy;<lb/>ca, &amp; propterea careant illo naturali &longs;timulo &longs;eu prin&shy;<lb/>cipio motus quo impellebantur antequam ad &longs;ua na&shy;<lb/>turalia loca perueni&longs;&longs;ent; hinc deducitur nullum ele&shy;<lb/>mentum in proprio loco grauitatem, aut leuitatem <lb/>habere, &longs;ed aqua in ip&longs;a aqua po&longs;ita in propria, &amp; na&shy;<lb/>turali regione degit &amp; &longs;ic aer in aere, ergo neutrum <lb/>horum elementorum grauitatem in &longs;uo loco habet, <lb/>aut exercet. </s>
  
 <s>&amp; primo quoad Archimedem pertinet <lb/>videntur aduer&longs;arij nequaquam tanti viri mente&mtail; <lb/>a&longs;&longs;equuti &longs;ui&longs;&longs;e vt ex eius verbis &longs;atis <expan abbr="&longs;uperq;">&longs;uperque</expan> patet. <lb/></s> <s>&amp; primo quoad Archimedem pertinet <lb/>videntur aduer&longs;arij nequaquam tanti viri mente&mtail; <lb/>a&longs;&longs;equuti &longs;ui&longs;&longs;e vt ex eius verbis &longs;atis <expan abbr="&longs;uperq;">&longs;uperque</expan> patet. <lb/></s>
  
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 <s><emph type="center"/><emph type="italics"/>Aqua va&longs;is fundum &ccedil;omprimit &longs;ua grauitate.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main"> <s><emph type="center"/><emph type="italics"/>Aqua va&longs;is fundum &ccedil;omprimit &longs;ua grauitate.<emph.end type="italics"/><emph.end type="center"/></s></p><p type="main">
  
 <s>SEd hoc euidentius &longs;ic patebit, &longs;it fi&longs;tula vitrea A <lb/>NO perpendiculariter ad horizontem erect&atail;, <lb/>repleaturqu&egrave; aqua, &longs;e&ugrave; quolibet alio fluido cor&shy;<lb/>pore, &amp; ductis innumeris planis horizonti <expan abbr="&aelig;quidi&longs;t&atilde;-tibus">&aelig;quidi&longs;tan&shy;<lb/>tibus</expan> &longs;ubdiuidatur vniuer&longs;um fluidum i&ntail; <lb/><figure id="id.010.01.046.1.jpg" xlink:href="010/01/046/1.jpg"/><lb/>laminas gracillimas &longs;e&ugrave; membranas &aelig;qu&egrave; <lb/>altas AB, BC, CD, DE, EF, FM, &amp; MN. &amp; <lb/>prim&ograve; &longs;i verum e&longs;t, vt aduer&longs;arij credunt <lb/>aquam in ip&longs;amet aqua collocatam <expan abbr="n&otilde;">non</expan> gra&shy;<lb/>uitare, igitur &longs;uprema laminula aquea AB <lb/>pror&longs;us <expan abbr="n&otilde;">non</expan> comprimet &longs;ubiectam <expan abbr="membra-n&atilde;">membra&shy;<lb/>nam</expan> aqueam BC, &longs;cilicet vim nullam &longs;uper eam exer&shy;<lb/>cebit (hoc enim grauitatis nomen indicat) neque eam <lb/>deor&longs;um impellet perinde ac &longs;i aqua &longs;uprema AB non <lb/>ade&longs;&longs;et, proindeque h&aelig;c non augebit grauitatem in&shy;<lb/>ferioris lamin&aelig; BC, ali&agrave;s &longs;uprema aqua AB pondera-<pb xlink:href="010/01/047.jpg" pagenum="39"/><arrow.to.target n="marg40"/><lb/>ret, comprimeretque &longs;ubiectam aquam BC, quod e&longs;t <lb/>contra aduer&longs;arij hypothe&longs;im; eadem ratione vniuer&shy;<lb/>&longs;a aqua ABC nil ponderabit, ne que comprimet &longs;ub&shy;<lb/>iectam laminam aqueam CD, &amp; tota aqua AD nec <lb/>etiam comprimet aut grauitatem inferet &longs;upra infe&shy;<lb/>riorem <expan abbr="aqu&atilde;">aquam</expan> DE; idip&longs;um procul dubio aflirmari de&shy;<lb/>bet de reliquis omnibus laminulis fluidis totam alti&shy;<lb/>tudinem aqu&aelig; componentibus, &amp; hoc optima ratio&shy;<lb/>ne de duximus, <expan abbr="qu&atilde;do">quando</expan> quidem &longs;eriem corporum iner&shy;<lb/>tium &amp; nil pror&longs;us deor&longs;um impellentium nemo &longs;an&aelig; <lb/>mentis affirmabit vim compre&longs;&longs;iuam deors&ugrave;m exer&shy;<lb/>cere, im&ograve; concedet &aelig;qu&egrave; operari ac &longs;i e&longs;&longs;et vnica &longs;in&shy;<lb/>gularis laminula, vel dicet &longs;ubiectum corpus &agrave; nihilo <lb/>comprimi, &amp; &egrave; contra &longs;eries corporum vim <expan abbr="impul&longs;iu&atilde;">impul&longs;iuam</expan> <lb/><expan abbr="habenti&utilde;">habentium</expan> exercet vim pro men&longs;ura multiplicati cor&shy;<lb/>poris, &amp; hoc &longs;an&egrave; lumine natur&aelig; <expan abbr="c&otilde;&longs;tat">con&longs;tat</expan>, hinc deduci&shy;<lb/>tur infimam laminam aqueam MN no&longs;tri va&longs;is nullam <lb/>compre&longs;&longs;ionem pati ab vniuer&longs;a aqua &longs;uperpo&longs;it&atail; <lb/>MA non &longs;ec&ugrave;s ac &longs;i &agrave; nihilo premeretur vnde fit vt in&shy;<lb/>ferior pars aquea MN ablata qua MA tanta vi pr&aelig;&shy;<lb/>cis&egrave; comprimat va&longs;is fundum NO ac &longs;i &longs;uper&longs;taret <lb/>immen&longs;a moles aquea NA, &longs;ed illa ob ponderis exi&shy;<lb/>guitatem haud &longs;en&longs;ibilem vim vitreo fundo infert, <lb/>nec ip&longs;um inflectit, aut di&longs;rumpit, igitur neque <expan abbr="vitr&utilde;">vitrum</expan> <lb/>inflectetur aut <expan abbr="c&otilde;&longs;tringetur">con&longs;tringetur</expan> quando alti&longs;&longs;ima moles a&shy;<lb/>quea NA ei &longs;uperponitur; quia ver&ograve; hoc e<gap/>identi&aelig; <lb/>&longs;en&longs;us repugnat affirmandum e&longs;t, aquam lic&egrave;t in ip&longs;a&shy;<lb/>met aqua iners &amp; quie&longs;cens videatur, nece&longs;&longs;ari&ograve; gra&shy;<lb/>uitatem exercere. <pb xlink:href="010/01/048.jpg" pagenum="40"/><arrow.to.target n="marg41"/></s></p><p type="margin"> <s>SEd hoc euidentius &longs;ic patebit, &longs;it fi&longs;tula vitrea A <lb/>NO perpendiculariter ad horizontem erect&atail;, <lb/>repleaturqu&egrave; aqua, &longs;e&ugrave; quolibet alio fluido cor&shy;<lb/>pore, &amp; ductis innumeris planis horizonti <expan abbr="&aelig;quidi&longs;t&atilde;-tibus">&aelig;quidi&longs;tan&shy;<lb/>tibus</expan> &longs;ubdiuidatur vniuer&longs;um fluidum i&ntail; <lb/><figure id="id.010.01.046.1.jpg" xlink:href="010/01/046/1.jpg"/><lb/>laminas gracillimas &longs;e&ugrave; membranas &aelig;qu&egrave; <lb/>altas AB, BC, CD, DE, EF, FM, &amp; MN. &amp; <lb/>prim&ograve; &longs;i verum e&longs;t, vt aduer&longs;arij credunt <lb/>aquam in ip&longs;amet aqua collocatam <expan abbr="n&otilde;">non</expan> gra&shy;<lb/>uitare, igitur &longs;uprema laminula aquea AB <lb/>pror&longs;us <expan abbr="n&otilde;">non</expan> comprimet &longs;ubiectam <expan abbr="membra-n&atilde;">membra&shy;<lb/>nam</expan> aqueam BC, &longs;cilicet vim nullam &longs;uper eam exer&shy;<lb/>cebit (hoc enim grauitatis nomen indicat) neque eam <lb/>deor&longs;um impellet perinde ac &longs;i aqua &longs;uprema AB non <lb/>ade&longs;&longs;et, proindeque h&aelig;c non augebit grauitatem in&shy;<lb/>ferioris lamin&aelig; BC, ali&agrave;s &longs;uprema aqua AB pondera-<pb xlink:href="010/01/047.jpg" pagenum="39"/><arrow.to.target n="marg40"/><lb/>ret, comprimeretque &longs;ubiectam aquam BC, quod e&longs;t <lb/>contra aduer&longs;arij hypothe&longs;im; eadem ratione vniuer&shy;<lb/>&longs;a aqua ABC nil ponderabit, ne que comprimet &longs;ub&shy;<lb/>iectam laminam aqueam CD, &amp; tota aqua AD nec <lb/>etiam comprimet aut grauitatem inferet &longs;upra infe&shy;<lb/>riorem <expan abbr="aqu&atilde;">aquam</expan> DE; idip&longs;um procul dubio aflirmari de&shy;<lb/>bet de reliquis omnibus laminulis fluidis totam alti&shy;<lb/>tudinem aqu&aelig; componentibus, &amp; hoc optima ratio&shy;<lb/>ne de duximus, <expan abbr="qu&atilde;do">quando</expan> quidem &longs;eriem corporum iner&shy;<lb/>tium &amp; nil pror&longs;us deor&longs;um impellentium nemo &longs;an&aelig; <lb/>mentis affirmabit vim compre&longs;&longs;iuam deors&ugrave;m exer&shy;<lb/>cere, im&ograve; concedet &aelig;qu&egrave; operari ac &longs;i e&longs;&longs;et vnica &longs;in&shy;<lb/>gularis laminula, vel dicet &longs;ubiectum corpus &agrave; nihilo <lb/>comprimi, &amp; &egrave; contra &longs;eries corporum vim <expan abbr="impul&longs;iu&atilde;">impul&longs;iuam</expan> <lb/><expan abbr="habenti&utilde;">habentium</expan> exercet vim pro men&longs;ura multiplicati cor&shy;<lb/>poris, &amp; hoc &longs;an&egrave; lumine natur&aelig; <expan abbr="c&otilde;&longs;tat">con&longs;tat</expan>, hinc deduci&shy;<lb/>tur infimam laminam aqueam MN no&longs;tri va&longs;is nullam <lb/>compre&longs;&longs;ionem pati ab vniuer&longs;a aqua &longs;uperpo&longs;it&atail; <lb/>MA non &longs;ec&ugrave;s ac &longs;i &agrave; nihilo premeretur vnde fit vt in&shy;<lb/>ferior pars aquea MN ablata qua MA tanta vi pr&aelig;&shy;<lb/>cis&egrave; comprimat va&longs;is fundum NO ac &longs;i &longs;uper&longs;taret <lb/>immen&longs;a moles aquea NA, &longs;ed illa ob ponderis exi&shy;<lb/>guitatem haud &longs;en&longs;ibilem vim vitreo fundo infert, <lb/>nec ip&longs;um inflectit, aut di&longs;rumpit, igitur neque <expan abbr="vitr&utilde;">vitrum</expan> <lb/>inflectetur aut <expan abbr="c&otilde;&longs;tringetur">con&longs;tringetur</expan> quando alti&longs;&longs;ima moles a&shy;<lb/>quea NA ei &longs;uperponitur; quia ver&ograve; hoc euidenti&aelig; <lb/>&longs;en&longs;us repugnat affirmandum e&longs;t, aquam lic&egrave;t in ip&longs;a&shy;<lb/>met aqua iners &amp; quie&longs;cens videatur, nece&longs;&longs;ari&ograve; gra&shy;<lb/>uitatem exercere. <pb xlink:href="010/01/048.jpg" pagenum="40"/><arrow.to.target n="marg41"/></s></p><p type="margin">
  
  
 <s><margin.target id="marg40"/>Cap.  <s><margin.target id="marg40"/>Cap.
Line 540 
Line 540 
  
 <s>Et quia vt mox o&longs;ten&longs;um e&longs;t ex <lb/>aduer&longs;arij hypothe&longs;i tota aqua AM <lb/>vim non infert neque impellit infe&shy;<lb/>riorem aqueam laminam MN, c&ugrave;&mtail; <lb/>nullam grauitatem &longs;uper eam exer&shy;<lb/>ceat; igitur tota moles aquea AM nil prors&ugrave;s impel&shy;<lb/>let terminum aqu&aelig; O &amp; proind&egrave; ab hoc non impelle&shy;<lb/>tur &longs;ur&longs;um oleo&longs;us cylinder OP, igitur oleum OP <lb/>nulla ratione &longs;ubleuari &longs;urs&ugrave;m deberet, &longs;ed hoc e&longs;t <lb/>fal&longs;um, igitur fal&longs;a e&longs;t quoque hypothe&longs;is a&longs;&longs;umpta, <lb/>qu&ograve;d aqua in ip&longs;amet aqua po&longs;ita grauitatem no&ntail; <lb/>exerceat. </s></p><p type="main"> <s>Et quia vt mox o&longs;ten&longs;um e&longs;t ex <lb/>aduer&longs;arij hypothe&longs;i tota aqua AM <lb/>vim non infert neque impellit infe&shy;<lb/>riorem aqueam laminam MN, c&ugrave;&mtail; <lb/>nullam grauitatem &longs;uper eam exer&shy;<lb/>ceat; igitur tota moles aquea AM nil prors&ugrave;s impel&shy;<lb/>let terminum aqu&aelig; O &amp; proind&egrave; ab hoc non impelle&shy;<lb/>tur &longs;ur&longs;um oleo&longs;us cylinder OP, igitur oleum OP <lb/>nulla ratione &longs;ubleuari &longs;urs&ugrave;m deberet, &longs;ed hoc e&longs;t <lb/>fal&longs;um, igitur fal&longs;a e&longs;t quoque hypothe&longs;is a&longs;&longs;umpta, <lb/>qu&ograve;d aqua in ip&longs;amet aqua po&longs;ita grauitatem no&ntail; <lb/>exerceat. </s></p><p type="main">
  
 <s>Et profect&ograve; methodus ac criterium digno&longs;cendi, <lb/>an corpus aliquod grauitet, atque impellat alterum, <lb/>erit huiu&longs;modi; con&longs;iderari nimirum debent effectus <lb/>ab eo producti, &amp; quanta vis contraria requiritur, <lb/>vt vnum &agrave; con&longs;ortio, &amp; contactu alterius diuellatur, <lb/>&amp; &longs;eparetur, &amp; quia &longs;i nauis natando lateraliter &longs;co&shy;<lb/>pulum contigeret, po&longs;&longs;et &agrave; quacumque exigua vi tra&shy;<lb/>hi, diuelli, &amp; &longs;eparari ab eodem &longs;copulo, hinc i<gap/>r&etail; <lb/>optimo inferemus nauim omnin&ograve; carere vi motiua, &amp; <pb xlink:href="010/01/049.jpg" pagenum="41"/><arrow.to.target n="marg42"/><lb/>i<gap/>pul&longs;iua tendendi ver&longs;us &longs;copulum, &egrave; contra, quia <lb/>videmus, qu&ograve;d pila ferrea non pote&longs;t &agrave; contactu &longs;oli <lb/>&longs;eiungi, ac diuelli ni&longs;i &aelig;qualis facultas, &amp; energi&atail; <lb/>contraria adhibeatur, &longs;cilicet ni&longs;i apponatur pondus <lb/>in altera extremitate libr&aelig;, quod &aelig;quale &longs;it grauita&shy;<lb/>ti pr&aelig;dict&aelig; pil&aelig; ferre&ecedil;, &longs;icuti c&ugrave;m homo robu&longs;tus co&shy;<lb/>lumnam aliquam impellit, non pote&longs;t ab ea &longs;eiungi, <lb/>ni&longs;i adhibeatur vis motiua prors&ugrave;s &aelig;qualis ei, quam <lb/>homo exercet; hinc de ducemus pilam vim grauitatis, <lb/>&amp; hominem vim mu&longs;culorum exercere. </s></p><p type="margin"> <s>Et profect&ograve; methodus ac criterium digno&longs;cendi, <lb/>an corpus aliquod grauitet, atque impellat alterum, <lb/>erit huiu&longs;modi; con&longs;iderari nimirum debent effectus <lb/>ab eo producti, &amp; quanta vis contraria requiritur, <lb/>vt vnum &agrave; con&longs;ortio, &amp; contactu alterius diuellatur, <lb/>&amp; &longs;eparetur, &amp; quia &longs;i nauis natando lateraliter &longs;co&shy;<lb/>pulum contigeret, po&longs;&longs;et &agrave; quacumque exigua vi tra&shy;<lb/>hi, diuelli, &amp; &longs;eparari ab eodem &longs;copulo, hinc in re <lb/>optimo inferemus nauim omnin&ograve; carere vi motiua, &amp; <pb xlink:href="010/01/049.jpg" pagenum="41"/><arrow.to.target n="marg42"/><lb/>i<gap/>pul&longs;iua tendendi ver&longs;us &longs;copulum, &egrave; contra, quia <lb/>videmus, qu&ograve;d pila ferrea non pote&longs;t &agrave; contactu &longs;oli <lb/>&longs;eiungi, ac diuelli ni&longs;i &aelig;qualis facultas, &amp; energi&atail; <lb/>contraria adhibeatur, &longs;cilicet ni&longs;i apponatur pondus <lb/>in altera extremitate libr&aelig;, quod &aelig;quale &longs;it grauita&shy;<lb/>ti pr&aelig;dict&aelig; pil&aelig; ferre&ecedil;, &longs;icuti c&ugrave;m homo robu&longs;tus co&shy;<lb/>lumnam aliquam impellit, non pote&longs;t ab ea &longs;eiungi, <lb/>ni&longs;i adhibeatur vis motiua prors&ugrave;s &aelig;qualis ei, quam <lb/>homo exercet; hinc de ducemus pilam vim grauitatis, <lb/>&amp; hominem vim mu&longs;culorum exercere. </s></p><p type="margin">
  
  
 <s><margin.target id="marg42"/>Cap.  <s><margin.target id="marg42"/>Cap.
Line 610 
Line 610 
  
 3. flui&shy;<lb/>dum in &longs;uo <lb/>toto quie&shy;<lb/>&longs;cens pon&shy;<lb/>derat.</s></p><p type="main"> 3. flui&shy;<lb/>dum in &longs;uo <lb/>toto quie&shy;<lb/>&longs;cens pon&shy;<lb/>derat.</s></p><p type="main">
  
 <s>Contra hoc euidenti&longs;&longs;imum ratiocinium afferri <lb/>&longs;olet difficultas vald&egrave; &longs;pecio&longs;a, quam examinare, ac <lb/>di&longs;&longs;oluere erit oper&aelig; pretium, vtque ea<gap/>it&egrave; percipi&shy;<lb/>atur, con&longs;ideretur h&aelig;c figura. </s> <s>Contra hoc euidenti&longs;&longs;imum ratiocinium afferri <lb/>&longs;olet difficultas vald&egrave; &longs;pecio&longs;a, quam examinare, ac <lb/>di&longs;&longs;oluere erit oper&aelig; pretium, vtque ea rit&egrave; percipi&shy;<lb/>atur, con&longs;ideretur h&aelig;c figura. </s>
  
 <s>Sit vas cylindricu&mtail; <lb/><arrow.to.target n="marg48"/><lb/>ABDC aqua plenum &longs;it que eius altitudo <lb/><figure id="id.010.01.054.1.jpg" xlink:href="010/01/054/1.jpg"/><lb/>di&longs;&longs;ecta in quotcumque partes &aelig;quales, <lb/>ductis nemp&egrave; planis imaginarijs MO, &amp; <lb/>HI, erit igitur moles aquea AI dupl&atail; <lb/>aque &ecedil; molis HD; igitur pondus aqu&aelig; AI <lb/>duplum e&longs;t ponderis aqu&aelig; HD. quia ve&shy;<lb/>r&ograve; corpus grauius min&ugrave;s graue &longs;uperare <lb/>debet, hocque &egrave; &longs;uo loco expellere (c&ugrave;m in eo con&longs;i&shy;<lb/>&longs;tat vis, &amp; energ&igrave;a grauitatis, vt tendat deors&ugrave;m, <lb/>&amp; &longs;ic &egrave; loco infimo corpora min&ugrave;s grauia expellat) &amp; <lb/>po&longs;tqu&agrave;m aqua AI translata e&longs;t ad locum HD, atque <lb/>aquam ibidem collocatam expulit denu&ograve; in &longs;itu &longs;u&shy;<lb/>periori fi&longs;tul&aelig; AI aqua dupli ponderis, &amp; molis ibi&shy;<lb/>dem re&longs;tituitur qu&aelig; pariter &longs;uperat grauitatem &longs;ub&shy;<lb/>duplam aqu&aelig;, qu&aelig; ad occupandum infimum locum <lb/>HD &longs;ucce&longs;&longs;it, igitur denu&ograve; aqua &longs;uprema vt grauior <lb/>in&longs;imam &egrave; &longs;uo loco extrudere, atque expellere de-<pb xlink:href="010/01/055.jpg" pagenum="47"/><arrow.to.target n="marg49"/><lb/>bet, &amp; quia hoc &longs;emper repetitur, &longs;cilic&egrave;t perpetu&ograve; <lb/>re&longs;tituitur in &longs;uperioriloco AI aqua dupl&ograve; grauior, <lb/>qu&agrave;m ea, qu&aelig; in loco infimo HD reponitur, igitur <lb/>vt contingit in libra efficientur perpetu&aelig;, &amp; conti&shy;<lb/>nuat&aelig; vibrationes, veluti in pendulo, &amp; in aqua fie&shy;<lb/>ri&longs;olent plures vndulationes, &longs;ic in aqua perpetuo <lb/>motu agitarentur eius partes a&longs;cendendo, &amp; de&longs;cen&shy;<lb/>dendo. </s> <s>Sit vas cylindricu&mtail; <lb/><arrow.to.target n="marg48"/><lb/>ABDC aqua plenum &longs;it que eius altitudo <lb/><figure id="id.010.01.054.1.jpg" xlink:href="010/01/054/1.jpg"/><lb/>di&longs;&longs;ecta in quotcumque partes &aelig;quales, <lb/>ductis nemp&egrave; planis imaginarijs MO, &amp; <lb/>HI, erit igitur moles aquea AI dupl&atail; <lb/>aque &ecedil; molis HD; igitur pondus aqu&aelig; AI <lb/>duplum e&longs;t ponderis aqu&aelig; HD. quia ve&shy;<lb/>r&ograve; corpus grauius min&ugrave;s graue &longs;uperare <lb/>debet, hocque &egrave; &longs;uo loco expellere (c&ugrave;m in eo con&longs;i&shy;<lb/>&longs;tat vis, &amp; energ&igrave;a grauitatis, vt tendat deors&ugrave;m, <lb/>&amp; &longs;ic &egrave; loco infimo corpora min&ugrave;s grauia expellat) &amp; <lb/>po&longs;tqu&agrave;m aqua AI translata e&longs;t ad locum HD, atque <lb/>aquam ibidem collocatam expulit denu&ograve; in &longs;itu &longs;u&shy;<lb/>periori fi&longs;tul&aelig; AI aqua dupli ponderis, &amp; molis ibi&shy;<lb/>dem re&longs;tituitur qu&aelig; pariter &longs;uperat grauitatem &longs;ub&shy;<lb/>duplam aqu&aelig;, qu&aelig; ad occupandum infimum locum <lb/>HD &longs;ucce&longs;&longs;it, igitur denu&ograve; aqua &longs;uprema vt grauior <lb/>in&longs;imam &egrave; &longs;uo loco extrudere, atque expellere de-<pb xlink:href="010/01/055.jpg" pagenum="47"/><arrow.to.target n="marg49"/><lb/>bet, &amp; quia hoc &longs;emper repetitur, &longs;cilic&egrave;t perpetu&ograve; <lb/>re&longs;tituitur in &longs;uperioriloco AI aqua dupl&ograve; grauior, <lb/>qu&agrave;m ea, qu&aelig; in loco infimo HD reponitur, igitur <lb/>vt contingit in libra efficientur perpetu&aelig;, &amp; conti&shy;<lb/>nuat&aelig; vibrationes, veluti in pendulo, &amp; in aqua fie&shy;<lb/>ri&longs;olent plures vndulationes, &longs;ic in aqua perpetuo <lb/>motu agitarentur eius partes a&longs;cendendo, &amp; de&longs;cen&shy;<lb/>dendo. </s>
  
 <s>hoc ver&ograve; &longs;en&longs;us euidentia redarguit, igitur <lb/>fatendum e&longs;t &longs;upremam aquam AI &longs;u&longs;tentatam ab <lb/>inferiori aqua &longs;uper eam non exercere vim vlla&mtail;, <lb/>nec pre&longs;&longs;ionem, proinde que non grauitare, hac &longs;cili&shy;<lb/>cet de cau&longs;a, quia nimir&ugrave;m in eius loco naturali col&shy;<lb/>locatare quie&longs;cit, ac &longs;i&longs;titur. </s></p><p type="margin"> <s>hoc ver&ograve; &longs;en&longs;us euidentia redarguit, igitur <lb/>fatendum e&longs;t &longs;upremam aquam AI &longs;u&longs;tentatam ab <lb/>inferiori aqua &longs;uper eam non exercere vim vlla&mtail;, <lb/>nec pre&longs;&longs;ionem, proinde que non grauitare, hac &longs;cili&shy;<lb/>cet de cau&longs;a, quia nimir&ugrave;m in eius loco naturali col&shy;<lb/>locatare quie&longs;cit, ac &longs;i&longs;titur. </s></p><p type="margin">
  
 <s><margin.target id="marg48"/>Coatra do&shy;<lb/>ctrinam &longs;u&shy;<lb/>peri&ugrave;s addu&shy;<lb/>ctam ade&longs;t <lb/>noua difficul <lb/>tas, quod ni&shy;<lb/>mirum mo&shy;<lb/>tu perpetuo <lb/>aqua ag<gap/>ari <lb/><gap/>beret.</s></p><p type="margin"> <s><margin.target id="marg48"/>Contra do&shy;<lb/>ctrinam &longs;u&shy;<lb/>peri&ugrave;s addu&shy;<lb/>ctam ade&longs;t <lb/>noua difficul&shy;<lb/>tas, quod ni&shy;<lb/>mirum mo&shy;<lb/>tu perpetuo <lb/>aqua agitari <lb/>deberet.</s></p><p type="margin">
  
  
 <s><margin.target id="marg49"/>Cap.  <s><margin.target id="marg49"/>Cap.
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 <s>VT ver&ograve; huiu&longs;modi paralogi&longs;mus detegatur, a&shy;<lb/>nima <expan abbr="duert&etilde;d">duertend</expan> um e&longs;t minim&egrave; verum e&longs;&longs;e, qu&ograve;d <lb/>qu&aelig;libet aqu&aelig; moles maior alter&agrave;, <expan abbr="n&etilde;pe">nempe</expan> dupla, exer&shy;<lb/>ceat quoque duplam vim grauitantem quotie&longs;cum&shy;<lb/>que maior &longs;upra minorem in&longs;i&longs;tat, &amp; ab ea fulciatur, <lb/>&longs;ed tunc &longs;olummod&ograve; propo&longs;itio verificatur quando <lb/>earum ba&longs;es <expan abbr="c&otilde;tigu&aelig;">contigu&aelig;</expan> &aelig;quales fuerint, ac in&longs;uper in <lb/>eodem plano horizonti parallelo con&longs;titerint. </s> <s>VT ver&ograve; huiu&longs;modi paralogi&longs;mus detegatur, a&shy;<lb/>nima <expan abbr="duert&etilde;d">duertend</expan> um e&longs;t minim&egrave; verum e&longs;&longs;e, qu&ograve;d <lb/>qu&aelig;libet aqu&aelig; moles maior alter&agrave;, <expan abbr="n&etilde;pe">nempe</expan> dupla, exer&shy;<lb/>ceat quoque duplam vim grauitantem quotie&longs;cum&shy;<lb/>que maior &longs;upra minorem in&longs;i&longs;tat, &amp; ab ea fulciatur, <lb/>&longs;ed tunc &longs;olummod&ograve; propo&longs;itio verificatur quando <lb/>earum ba&longs;es <expan abbr="c&otilde;tigu&aelig;">contigu&aelig;</expan> &aelig;quales fuerint, ac in&longs;uper in <lb/>eodem plano horizonti parallelo con&longs;titerint. </s>
  
 <s>Sup&shy;<lb/>ponatur vas cylindricum plenum aqua ABDC, &longs;it&shy;<lb/>que portio &longs;uprema, &amp; ide&ograve; eius altitudo AH dupla <lb/>infim&aelig; altitudinis HB, lic&egrave;t ergo reuer&agrave; &longs;uprem&aelig; <pb xlink:href="010/01/056.jpg" pagenum="48"/><arrow.to.target n="marg50"/><lb/>aqu&aelig; AI pondus duplum &longs;it ponderis infim&aelig; aqu&aelig; <lb/>HD, non h&igrave;nc tamen inferri licet &longs;ubiectam aqua&mtail; <lb/>HD in tali &longs;itu vnicam libram tantummod&ograve; pendere <lb/>exi&longs;tente &longs;upremo pondere AI duarum librarum, &longs;ed <lb/>nece&longs;s&egrave; e&longs;t vt aqua HD comprimat va&longs;is fundum BD <lb/>ni&longs;u, ac vi non vnius libr&aelig;, &longs;ed &aelig;quali ei, qu&aelig; effi&shy;<lb/>citur &agrave; pondere trium librarum, &amp; ratio e&longs;t quia ip&shy;<lb/>&longs;a aqua HD ned&ugrave;m impellitur deor&longs;um&agrave; vi propri&aelig; <lb/>grauitatis vnius libr&aelig;, &longs;ed in&longs;uper grauatur compri&shy;<lb/>miturque ab incumbente pondere aqu&aelig; AI, qu&aelig; <expan abbr="c&otilde;-pre&longs;&longs;io">con&shy;<lb/>pre&longs;&longs;io</expan> &longs;uperaddit aqu&ecedil; HD vim &aelig;qualem ei, qu&aelig; &agrave; <lb/>duabus libris effici pote&longs;t; nec profect&ograve; nouum e&longs;t &longs;<gap/><lb/>quis centum laminas ferreas, vellapideas, &aelig;qu&egrave; <expan abbr="p&otilde;-derantes">pon&shy;<lb/>derantes</expan>, &longs;cilicet &longs;ingulas vnius libr&aelig; vnam &longs;uper al&shy;<lb/>teram imponat, quod in&longs;ima lamina non tantummo&shy;<lb/>d&ograve; &longs;uo pondere comprimet planum &longs;ubiectum, &longs;cili&shy;<lb/>c&egrave;t non efficiet vim &aelig;qualem cente&longs;im&aelig; parti totius <lb/>pr&aelig;dicti aggregati, &longs;ed compre&longs;&longs;io infim&ecedil; lamin&aelig; ef&shy;<lb/>ficiet vim centuplo maiorem &longs;cilic&egrave;t impellet &longs;ubie&shy;<lb/>ctum planum vi &aelig;quali centum libris, &amp; tunc <expan abbr="&longs;ol&utilde;-mod&ograve;">&longs;olun&shy;<lb/>mod&ograve;</expan> in&longs;ima lamina partem cente&longs;imam totius ag&shy;<lb/>gregati ponderabit, quando illa in vna lance, reli&shy;<lb/>qu&aelig; ver&ograve; 100. in oppo&longs;ita lance eiu&longs;dem libr&aelig; ra&shy;<lb/>diorum &aelig;qualium &longs;u&longs;penderentur; &longs;ic parit&egrave;r &longs;i aqua <lb/>HD &longs;upra planum &longs;ubiectum &longs;iu&egrave; &longs;olidum, &longs;iu&egrave; flui&shy;<lb/>dum collocaretur iuxt&agrave; portionem aqu&aelig; AI, itaut &longs;e&shy;<lb/>&longs;e contingerent lateraliter, atque <expan abbr="ear&utilde;">earum</expan> ba&longs;es &aelig;qua&shy;<lb/>les in eodem plano horizontali collocarentur, tunc <lb/>nece&longs;&longs;ari&ograve; dupla moles aqu&aelig; AI duplam vim com-<pb xlink:href="010/01/057.jpg" pagenum="49"/><arrow.to.target n="marg51"/><lb/>pre&longs;&longs;iuam, pro men&longs;ura dupl&aelig; grauitatis haberet. <lb/></s> <s>Sup&shy;<lb/>ponatur vas cylindricum plenum aqua ABDC, &longs;it&shy;<lb/>que portio &longs;uprema, &amp; ide&ograve; eius altitudo AH dupla <lb/>infim&aelig; altitudinis HB, lic&egrave;t ergo reuer&agrave; &longs;uprem&aelig; <pb xlink:href="010/01/056.jpg" pagenum="48"/><arrow.to.target n="marg50"/><lb/>aqu&aelig; AI pondus duplum &longs;it ponderis infim&aelig; aqu&aelig; <lb/>HD, non h&igrave;nc tamen inferri licet &longs;ubiectam aquam <lb/>HD in tali &longs;itu vnicam libram tantummod&ograve; pendere <lb/>exi&longs;tente &longs;upremo pondere AI duarum librarum, &longs;ed <lb/>nece&longs;s&egrave; e&longs;t vt aqua HD comprimat va&longs;is fundum BD <lb/>ni&longs;u, ac vi non vnius libr&aelig;, &longs;ed &aelig;quali ei, qu&aelig; effi&shy;<lb/>citur &agrave; pondere trium librarum, &amp; ratio e&longs;t quia ip&shy;<lb/>&longs;a aqua HD ned&ugrave;m impellitur deor&longs;um &agrave; vi propri&aelig; <lb/>grauitatis vnius libr&aelig;, &longs;ed in&longs;uper grauatur compri&shy;<lb/>miturque ab incumbente pondere aqu&aelig; AI, qu&aelig; <expan abbr="c&otilde;-pre&longs;&longs;io">com&shy;<lb/>pre&longs;&longs;io</expan> &longs;uperaddit aqu&ecedil; HD vim &aelig;qualem ei, qu&aelig; &agrave; <lb/>duabus libris effici pote&longs;t; nec profect&ograve; nouum e&longs;t &longs;i&shy;<lb/>quis centum laminas ferreas, vellapideas, &aelig;qu&egrave; <expan abbr="p&otilde;-derantes">pon&shy;<lb/>derantes</expan>, &longs;cilicet &longs;ingulas vnius libr&aelig; vnam &longs;uper al&shy;<lb/>teram imponat, quod in&longs;ima lamina non tantummo&shy;<lb/>d&ograve; &longs;uo pondere comprimet planum &longs;ubiectum, &longs;cili&shy;<lb/>c&egrave;t non efficiet vim &aelig;qualem cente&longs;im&aelig; parti totius <lb/>pr&aelig;dicti aggregati, &longs;ed compre&longs;&longs;io infim&ecedil; lamin&aelig; ef&shy;<lb/>ficiet vim centuplo maiorem &longs;cilic&egrave;t impellet &longs;ubie&shy;<lb/>ctum planum vi &aelig;quali centum libris, &amp; tunc <expan abbr="&longs;ol&utilde;-mod&ograve;">&longs;olum&shy;<lb/>mod&ograve;</expan> in&longs;ima lamina partem cente&longs;imam totius ag&shy;<lb/>gregati ponderabit, quando illa in vna lance, reli&shy;<lb/>qu&aelig; ver&ograve; 100. in oppo&longs;ita lance eiu&longs;dem libr&aelig; ra&shy;<lb/>diorum &aelig;qualium &longs;u&longs;penderentur; &longs;ic parit&egrave;r &longs;i aqua <lb/>HD &longs;upra planum &longs;ubiectum &longs;iu&egrave; &longs;olidum, &longs;iu&egrave; flui&shy;<lb/>dum collocaretur iuxt&agrave; portionem aqu&aelig; AI, itaut &longs;e&shy;<lb/>&longs;e contingerent lateraliter, atque <expan abbr="ear&utilde;">earum</expan> ba&longs;es &aelig;qua&shy;<lb/>les in eodem plano horizontali collocarentur, tunc <lb/>nece&longs;&longs;ari&ograve; dupla moles aqu&aelig; AI duplam vim com-<pb xlink:href="010/01/057.jpg" pagenum="49"/><arrow.to.target n="marg51"/><lb/>pre&longs;&longs;iuam, pro men&longs;ura dupl&aelig; grauitatis haberet. <lb/></s>
  
 <s>Verum tamen e&longs;t, qu&ograve;d alia de cau&longs;a non e&longs;t nece&longs;&shy;<lb/>s&egrave;, vt &longs;emper ba&longs;es &longs;int &aelig;quales, neque grauitates <lb/>&longs;int in eadem proportione dupla, dummod&ograve; altitu&shy;<lb/>do AH dupla &longs;it altitudinis ip&longs;ius HB; &amp; ratio huius <lb/>diuer&longs;itatis pendet ex alibi demon&longs;trandis. </s></p><p type="margin"> <s>Verum tamen e&longs;t, qu&ograve;d alia de cau&longs;a non e&longs;t nece&longs;&shy;<lb/>s&egrave;, vt &longs;emper ba&longs;es &longs;int &aelig;quales, neque grauitates <lb/>&longs;int in eadem proportione dupla, dummod&ograve; altitu&shy;<lb/>do AH dupla &longs;it altitudinis ip&longs;ius HB; &amp; ratio huius <lb/>diuer&longs;itatis pendet ex alibi demon&longs;trandis. </s></p><p type="margin">
  
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 <s>Ex &longs;uperiori igitur ratiocinio euinci&shy;<lb/><figure id="id.010.01.057.1.jpg" xlink:href="010/01/057/1.jpg"/><lb/>tur, fal&longs;um e&longs;&longs;e, qu&ograve;d pronunciabatur, <lb/>nimir&ugrave;m, duplam aquam AI vt grauio&shy;<lb/>rem, expellere de&longs;cendendo debere &longs;ub&shy;<lb/>duplam aquam &longs;ubiectam HD, c&ugrave;m &egrave;con <lb/>tra h&aelig;c vt grauior, grauitate nempe pro&shy;<lb/>pria, &amp; ea, qu&aelig; ei &longs;uperadditur ab aqua <lb/>&longs;uperincumbente AI in eodem loco infimo perma&shy;<lb/>nere debeat, nec vnquam &agrave; debiliori compre&longs;&longs;ione <lb/>&longs;uper&longs;tantis aqu&aelig; expelli po&longs;&longs;it, ac proind&egrave; &longs;equitur <lb/>&longs;umma quies, ac tranquillitas, non ver&ograve; motus per&shy;<lb/>petuus. <lb/><arrow.to.target n="marg52"/></s></p><p type="margin"> <s>Ex &longs;uperiori igitur ratiocinio euinci&shy;<lb/><figure id="id.010.01.057.1.jpg" xlink:href="010/01/057/1.jpg"/><lb/>tur, fal&longs;um e&longs;&longs;e, qu&ograve;d pronunciabatur, <lb/>nimir&ugrave;m, duplam aquam AI vt grauio&shy;<lb/>rem, expellere de&longs;cendendo debere &longs;ub&shy;<lb/>duplam aquam &longs;ubiectam HD, c&ugrave;m &egrave;con <lb/>tra h&aelig;c vt grauior, grauitate nempe pro&shy;<lb/>pria, &amp; ea, qu&aelig; ei &longs;uperadditur ab aqua <lb/>&longs;uperincumbente AI in eodem loco infimo perma&shy;<lb/>nere debeat, nec vnquam &agrave; debiliori compre&longs;&longs;ione <lb/>&longs;uper&longs;tantis aqu&aelig; expelli po&longs;&longs;it, ac proind&egrave; &longs;equitur <lb/>&longs;umma quies, ac tranquillitas, non ver&ograve; motus per&shy;<lb/>petuus. <lb/><arrow.to.target n="marg52"/></s></p><p type="margin">
  
 <s><margin.target id="marg52"/>Ex doctrina <lb/>&longs;uperi&ugrave;s tra <lb/>dita videtur <lb/>deduci po&longs;&shy;<lb/>&longs;e lignu&mtail; <lb/>infra aquam <lb/>po&longs;itum &longs;ur&shy;<lb/>&longs;um <expan abbr="a&longs;c&etilde;de-">a&longs;cende&shy;<lb/></expan><gap/> non po&longs;&longs;e<gap/></s></p><p type="main"> <s><margin.target id="marg52"/>Ex doctrina <lb/>&longs;uperi&ugrave;s tra&shy;<lb/>dita videtur <lb/>deduci po&longs;&shy;<lb/>&longs;e lignum <lb/>infra aquam <lb/>po&longs;itum &longs;ur&shy;<lb/>&longs;um <expan abbr="a&longs;c&etilde;de-">a&longs;cende&shy;<lb/>re</expan> non po&longs;&longs;e.</s></p><p type="main">
  
 <s>Sed dices, &longs;i vera e&longs;&longs;et adducta doctrina, lignum <lb/>deberet in fundo aqu&aelig; parit&egrave;r retineri, proptere&atail; <lb/>qu&ograve;d nedum &agrave; propria grauitate comprimitur, &longs;ed <lb/>etiam &agrave; pondere totius aqu&aelig; &longs;uper&longs;tantis, &amp; ide&ograve; <lb/>magis grauitaret qu&agrave;m aqua ei&longs;uperpo&longs;ita, &amp; proin&shy;<lb/>de lignum in fundo aqu&aelig; permanere deberet: hoc <lb/>autem fal&longs;um e&longs;t, c&ugrave;m experientia con&longs;tet, lignum <lb/>&longs;urs&ugrave;m ferri, nec quie&longs;cere, antequ&agrave;m ad aqu&aelig; &longs;u&shy;<lb/>premam libellam perducatur. </s></p><pb xlink:href="010/01/058.jpg" pagenum="50"/><p type="main"> <s>Sed dices, &longs;i vera e&longs;&longs;et adducta doctrina, lignum <lb/>deberet in fundo aqu&aelig; parit&egrave;r retineri, proptere&atail; <lb/>qu&ograve;d nedum &agrave; propria grauitate comprimitur, &longs;ed <lb/>etiam &agrave; pondere totius aqu&aelig; &longs;uper&longs;tantis, &amp; ide&ograve; <lb/>magis grauitaret qu&agrave;m aqua ei&longs;uperpo&longs;ita, &amp; proin&shy;<lb/>de lignum in fundo aqu&aelig; permanere deberet: hoc <lb/>autem fal&longs;um e&longs;t, c&ugrave;m experientia con&longs;tet, lignum <lb/>&longs;urs&ugrave;m ferri, nec quie&longs;cere, antequ&agrave;m ad aqu&aelig; &longs;u&shy;<lb/>premam libellam perducatur. </s></p><pb xlink:href="010/01/058.jpg" pagenum="50"/><p type="main">
  
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 <s>Hinc colligitur, qu&ograve;d quotie&longs;cumque &longs;upremum <lb/>lan&aelig; inuolucrum perpendicularit&egrave;t incumbens &longs;u&shy;<lb/>peralterum, &longs;i ip&longs;um non flecteret, nec &longs;tringeret, <lb/>tunc plan&egrave; affirmandum e&longs;&longs;et lanam &longs;uperpo&longs;ita&mtail; <lb/>minim&egrave; &longs;uper &longs;ubiectam lanam grauitatem exercere. </s></p><p type="main"> <s>Hinc colligitur, qu&ograve;d quotie&longs;cumque &longs;upremum <lb/>lan&aelig; inuolucrum perpendicularit&egrave;t incumbens &longs;u&shy;<lb/>peralterum, &longs;i ip&longs;um non flecteret, nec &longs;tringeret, <lb/>tunc plan&egrave; affirmandum e&longs;&longs;et lanam &longs;uperpo&longs;ita&mtail; <lb/>minim&egrave; &longs;uper &longs;ubiectam lanam grauitatem exercere. </s></p><p type="main">
  
 <s>His po&longs;itis, &longs;upremum lan&aelig; inuolucrum applica&shy;<lb/>ri pote&longs;t &longs;uper infimum dum hoc actu per aerem mo&shy;<lb/>uetur de&longs;cendendo deor&longs;um, vel dum quie&longs;cit &agrave; pla&shy;<lb/>no &longs;tabili fultum; in primo ca&longs;u manife&longs;tum e&longs;t, <lb/>qu&ograve;d inuolucra &aelig;qualia eiu&longs;dem lan&aelig; &aelig;quales gra&shy;<lb/>dus velocitatum <expan abbr="hab&etilde;t">habent</expan>, quibus naturaliter de&longs;cen&shy;<lb/>dunt; igitur &longs;upremum inu olucrum non de&longs;cendet <lb/>tardiori, vel celeriori motu qu&agrave;m &longs;ibi <expan abbr="&longs;ubiect&utilde;">&longs;ubiectum</expan>, pro&shy;<lb/>indeque &aelig;quali velocitare &longs;uprema lana compri&shy;<lb/>mere conatur &longs;ubiectam lanam, ac i&longs;ta nititur effu&shy;<lb/>gere per&longs;equentem; proptere aque &longs;e mutuo plac<gap/>&shy;<lb/>do contactu &longs;olummod&ograve; exo&longs;culantur, nec &longs;ubiecta <lb/>inflectetur, aut comprimetur &agrave; &longs;uper&longs;tante lana: <lb/>igitur, ex&longs;uperi&ugrave;s dictis incumbens lana nequ&egrave; <expan abbr="p&otilde;-dus">pon&shy;<lb/>dus</expan>, neque grauitatem exercebit &longs;upra &longs;ugiente&mtail; <lb/>lanam &longs;ubiectam. </s> <s>His po&longs;itis, &longs;upremum lan&aelig; inuolucrum applica&shy;<lb/>ri pote&longs;t &longs;uper infimum dum hoc actu per aerem mo&shy;<lb/>uetur de&longs;cendendo deor&longs;um, vel dum quie&longs;cit &agrave; pla&shy;<lb/>no &longs;tabili fultum; in primo ca&longs;u manife&longs;tum e&longs;t, <lb/>qu&ograve;d inuolucra &aelig;qualia eiu&longs;dem lan&aelig; &aelig;quales gra&shy;<lb/>dus velocitatum <expan abbr="hab&etilde;t">habent</expan>, quibus naturaliter de&longs;cen&shy;<lb/>dunt; igitur &longs;upremum inuolucrum non de&longs;cendet <lb/>tardiori, vel celeriori motu qu&agrave;m &longs;ibi <expan abbr="&longs;ubiect&utilde;">&longs;ubiectum</expan>, pro&shy;<lb/>indeque &aelig;quali velocitare &longs;uprema lana compri&shy;<lb/>mere conatur &longs;ubiectam lanam, ac i&longs;ta nititur effu&shy;<lb/>gere per&longs;equentem; proptereaque &longs;e mutuo placi&shy;<lb/>do contactu &longs;olummod&ograve; exo&longs;culantur, nec &longs;ubiecta <lb/>inflectetur, aut comprimetur &agrave; &longs;uper&longs;tante lana: <lb/>igitur, ex &longs;uperi&ugrave;s dictis incumbens lana nequ&egrave; <expan abbr="p&otilde;-dus">pon&shy;<lb/>dus</expan>, neque grauitatem exercebit &longs;upra fugientem <lb/>lanam &longs;ubiectam. </s>
  
 <s>In &longs;ecundo ver&ograve; ca&longs;u &longs;i po&longs;tqu&agrave;m <lb/>in quiete &longs;ubiecta lana compre&longs;&longs;a e&longs;t &agrave; &longs;uperincum&shy;<lb/>bente ambas demittamus, &amp; liber&egrave; deor&longs;um <expan abbr="de&longs;c&etilde;-dere">de&longs;cen&shy;<lb/>dere</expan> concedamus, patete as motum inchoare quan&shy;<lb/>do iam re&longs;trict&aelig;, &amp; con&longs;tipat&aelig; &longs;unt, &amp; ide&ograve; in pro&shy;<lb/>gre&longs;&longs;u lic&egrave;t paribus velocitatibus de&longs;cendant, reti&shy;<lb/>ne bunt tamen eandem con&longs;tipationem, quam prius <pb xlink:href="010/01/061.jpg" pagenum="53"/><arrow.to.target n="marg56"/><lb/>habebant; &longs;ed hinc non licet inferre, &longs;upremam la&shy;<lb/>nam dum mouetur grauitatem exercere, quia ill&atail; <lb/>con&longs;tipatio non dependet ab actione grauitatis in&shy;<lb/>cumbentis lan&aelig; qu&aelig;actio per&longs;eueret exerceaturque <lb/>tempore de&longs;cen&longs;us, &longs;ed illa con&longs;tipatio e&longs;t effectus <lb/>compre&longs;&longs;ionis in pr&aelig;cedenti quiete fact&aelig;, in actu e&shy;<lb/>nim de&longs;cen&longs;us nullo pacto impellere pote&longs;t &longs;uprema <lb/>lana &longs;u biectam pani velocitate ictum fugientem, &amp; <lb/>ideo &longs;u per eam minim&egrave; pondus exercebit. </s></p><p type="margin"> <s>In &longs;ecundo ver&ograve; ca&longs;u &longs;i po&longs;tqu&agrave;m <lb/>in quiete &longs;ubiecta lana compre&longs;&longs;a e&longs;t &agrave; &longs;uperincum&shy;<lb/>bente ambas demittamus, &amp; liber&egrave; deor&longs;um <expan abbr="de&longs;c&etilde;-dere">de&longs;cen&shy;<lb/>dere</expan> concedamus, patete as motum inchoare quan&shy;<lb/>do iam re&longs;trict&aelig;, &amp; con&longs;tipat&aelig; &longs;unt, &amp; ide&ograve; in pro&shy;<lb/>gre&longs;&longs;u lic&egrave;t paribus velocitatibus de&longs;cendant, reti&shy;<lb/>ne bunt tamen eandem con&longs;tipationem, quam prius <pb xlink:href="010/01/061.jpg" pagenum="53"/><arrow.to.target n="marg56"/><lb/>habebant; &longs;ed hinc non licet inferre, &longs;upremam la&shy;<lb/>nam dum mouetur grauitatem exercere, quia ill&atail; <lb/>con&longs;tipatio non dependet ab actione grauitatis in&shy;<lb/>cumbentis lan&aelig; qu&aelig;actio per&longs;eueret exerceaturque <lb/>tempore de&longs;cen&longs;us, &longs;ed illa con&longs;tipatio e&longs;t effectus <lb/>compre&longs;&longs;ionis in pr&aelig;cedenti quiete fact&aelig;, in actu e&shy;<lb/>nim de&longs;cen&longs;us nullo pacto impellere pote&longs;t &longs;uprema <lb/>lana &longs;u biectam pani velocitate ictum fugientem, &amp; <lb/>ideo &longs;u per eam minim&egrave; pondus exercebit. </s></p><p type="margin">
  
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 <s>Sec&ugrave;s autem contingit in aqua quie&longs;cente, i&ntail; <lb/>puteo aliquo, vellacu, &longs;i enim diuidatur pariter in <lb/>laminas &aelig;que altas, patet qu&ograve;d &longs;upremane dum <expan abbr="t&atilde;-git">tan&shy;<lb/>git</expan> &longs;impliciter &longs;ubiectam aqu&aelig; laminam, &longs;ed &egrave; con&shy;<lb/>tra eam impellit tanta vi <expan abbr="qu&atilde;ta">quanta</expan> e&longs;t energia eius gra&shy;<lb/>uitatis, &amp; patet qu&ograve;d infima aqua pati cogitur com&shy;<lb/>pre&longs;&longs;ionem, c&ugrave;m &longs;u&longs;tinere debeat pondus &longs;uprem&aelig; <lb/>aqu&aelig; incumbentis: &amp; hoc accidit, quia &longs;ua quiete <lb/>impedit progre&longs;&longs;um, &amp; conatum compre&longs;&longs;iuum <expan abbr="de-ors&utilde;">de&shy;<lb/>orsum</expan> &longs;u perpo&longs;it&aelig; aqu&ecedil;; hac de cau&longs;a &longs;i habue it poro&shy;<lb/>&longs;itates h&aelig; nece&longs;&longs;ario con&longs;tringentur &agrave; vi ponderis <lb/>incumbentis aqu&aelig;. </s> <s>Sec&ugrave;s autem contingit in aqua quie&longs;cente, i&ntail; <lb/>puteo aliquo, vellacu, &longs;i enim diuidatur pariter in <lb/>laminas &aelig;que altas, patet qu&ograve;d &longs;upremane dum <expan abbr="t&atilde;-git">tan&shy;<lb/>git</expan> &longs;impliciter &longs;ubiectam aqu&aelig; laminam, &longs;ed &egrave; con&shy;<lb/>tra eam impellit tanta vi <expan abbr="qu&atilde;ta">quanta</expan> e&longs;t energia eius gra&shy;<lb/>uitatis, &amp; patet qu&ograve;d infima aqua pati cogitur com&shy;<lb/>pre&longs;&longs;ionem, c&ugrave;m &longs;u&longs;tinere debeat pondus &longs;uprem&aelig; <lb/>aqu&aelig; incumbentis: &amp; hoc accidit, quia &longs;ua quiete <lb/>impedit progre&longs;&longs;um, &amp; conatum compre&longs;&longs;iuum <expan abbr="de-ors&utilde;">de&shy;<lb/>orsum</expan> &longs;u perpo&longs;it&aelig; aqu&ecedil;; hac de cau&longs;a &longs;i habue it poro&shy;<lb/>&longs;itates h&aelig; nece&longs;&longs;ario con&longs;tringentur &agrave; vi ponderis <lb/>incumbentis aqu&aelig;. </s>
  
 <s>Mod&ograve; quia impul&longs;us compre&longs;&longs;i&shy;<lb/>uus factus &agrave; &longs;uperiore aqua &longs;upra inferiorem nullo <lb/>alio vocabulo de&longs;ignatur, qu&agrave;m grauitatis, vel <expan abbr="p&otilde;-deris">pon&shy;<lb/>deris</expan>, igitur verum e<gap/>t, qu&ograve;d aqua &longs;uper aqua&mtail; <lb/><arrow.to.target n="marg58"/><lb/>quie&longs;centem grauitatem exercet non quando in mo&shy;<lb/>tu con&longs;tituitur, &amp; extra &longs;uum naturalem locum, &longs;ed, <lb/>tantummod&ograve;, quando &longs;i&longs;titur, &amp; quie&longs;cit in loco &longs;uo <lb/>naturali. </s></p><p type="margin"> <s>Mod&ograve; quia impul&longs;us compre&longs;&longs;i&shy;<lb/>uus factus &agrave; &longs;uperiore aqua &longs;upra inferiorem nullo <lb/>alio vocabulo de&longs;ignatur, qu&agrave;m grauitatis, vel <expan abbr="p&otilde;-deris">pon&shy;<lb/>deris</expan>, igitur verum erit, qu&ograve;d aqua &longs;uper aquam <lb/><arrow.to.target n="marg58"/><lb/>quie&longs;centem grauitatem exercet non quando in mo&shy;<lb/>tu con&longs;tituitur, &amp; extra &longs;uum naturalem locum, &longs;ed, <lb/>tantummod&ograve;, quando &longs;i&longs;titur, &amp; quie&longs;cit in loco &longs;uo <lb/>naturali. </s></p><p type="margin">
  
 <s><margin.target id="marg58"/>Contra do&shy;<lb/>ctrinam &longs;u&shy;<lb/>p: ri&ugrave;s addu&shy;<lb/>ctam afferri <lb/>&longs;olet difficul <lb/>tas vald&egrave; <lb/>plau&longs;ibilis, <lb/>quod nimi&shy;<lb/>rum vrina&shy;<lb/>tores ingens <lb/>pondus aque <lb/>incumbentis <lb/>nec patian&shy;<lb/>tur, nec &longs;en&shy;<lb/>tiant.</s></p><p type="main"> <s><margin.target id="marg58"/>Contra do&shy;<lb/>ctrinam &longs;u&shy;<lb/>p: ri&ugrave;s addu&shy;<lb/>ctam afferri <lb/>&longs;olet difficul <lb/>tas vald&egrave; <lb/>plau&longs;ibilis, <lb/>quod nimi&shy;<lb/>rum vrina&shy;<lb/>tores ingens <lb/>pondus aque <lb/>incumbentis <lb/>nec patian&shy;<lb/>tur, nec &longs;en&shy;<lb/>tiant.</s></p><p type="main">
  
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 <s>His declaratis pro re&longs;olutione principalis proble&shy;<lb/><arrow.to.target n="marg66"/><lb/>matis <expan abbr="inquir&etilde;d&utilde;">inquirendum</expan> e&longs;t, quo modo, &amp; qua ratione &agrave; com&shy;<lb/>pre&longs;&longs;ione ponderis incumbentis pa&longs;&longs;io dolorifica in <lb/>animali &longs;ub&longs;equatur. </s></p><p type="margin"> <s>His declaratis pro re&longs;olutione principalis proble&shy;<lb/><arrow.to.target n="marg66"/><lb/>matis <expan abbr="inquir&etilde;d&utilde;">inquirendum</expan> e&longs;t, quo modo, &amp; qua ratione &agrave; com&shy;<lb/>pre&longs;&longs;ione ponderis incumbentis pa&longs;&longs;io dolorifica in <lb/>animali &longs;ub&longs;equatur. </s></p><p type="margin">
  
 <s><margin.target id="marg66"/>Inquiritu<gap/><lb/>cau&longs;a qua<gap/><lb/>&agrave; pondere in&shy;<lb/>cumbent&etail;<gap/><lb/>producitur<gap/><lb/>compre&longs;&longs;io<gap/><lb/>&longs;ci&longs;&longs;io, diui&shy;<lb/>&longs;io continui<gap/><lb/>&amp; proind&etail; <lb/>dolor.</s></p><p type="main"> <s><margin.target id="marg66"/>Inquiritur <lb/>cau&longs;a quare <lb/>&agrave; pondere in&shy;<lb/>cumbente <lb/>producitur <lb/>compre&longs;&longs;io, <lb/>&longs;ci&longs;&longs;io, diui&shy;<lb/>&longs;io continui, <lb/>&amp; proinde <lb/>dolor.</s></p><p type="main">
  
 <s>Et prim&ograve; experientia con&longs;tat, &agrave; pondere corporis <lb/>manum v. <!-- REMOVE S-->g. <!-- REMOVE S-->prementis aliquando effici &longs;ci&longs;&longs;ionem, <lb/>vt ab acie &longs;ecuris incumbentis, aliquando <expan abbr="fraction&etilde;">fractionem</expan>; <lb/>multoti&egrave;s luxari, &amp; di&longs;rumpi articulos tractis nem-<pb xlink:href="010/01/070.jpg" pagenum="62"/><arrow.to.target n="marg67"/><lb/>p&egrave;violent&egrave;r tendinibus articulos colligantibus, &amp; <lb/>tandem fieri pote&longs;t contu&longs;io, &amp; diffractio partiu&mtail; <lb/>&longs;olidarum. </s> <s>Et prim&ograve; experientia con&longs;tat, &agrave; pondere corporis <lb/>manum v. <!-- REMOVE S-->g. <!-- REMOVE S-->prementis aliquando effici &longs;ci&longs;&longs;ionem, <lb/>vt ab acie &longs;ecuris incumbentis, aliquando <expan abbr="fraction&etilde;">fractionem</expan>; <lb/>multoti&egrave;s luxari, &amp; di&longs;rumpi articulos tractis nem-<pb xlink:href="010/01/070.jpg" pagenum="62"/><arrow.to.target n="marg67"/><lb/>p&egrave;violent&egrave;r tendinibus articulos colligantibus, &amp; <lb/>tandem fieri pote&longs;t contu&longs;io, &amp; diffractio partiu&mtail; <lb/>&longs;olidarum. </s>
  


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