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version 1.39, 2003/09/08 14:08:27

version 1.51, 2003/09/08 15:32:48

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<s> Wesende dan ghegheuen een bekenden pilaer met sijn vastpunt, &c. </s>

<s><emph type="other"/>VI. VERTOOCH. XIII. VOORSTEL<emph.end/>.</s>

<s><emph type="other"/>VI. VERTOOCH<emph.end/>. <emph type="other"/>XIII. VOORSTEL<emph.end/>.</s>

<s> <emph type="other"/>EEN<emph.end/> daelwicht ende een hefwicht an hem euen, doen met euen houcken an euen ermen euen ghewelden. </s>

<s>I. <emph type="other"/>VOORBEELT<emph.end/> met rechtwichten.</s>

<s><emph type="other"/>I. VOORBEELT<emph.end/> met rechtwichten.</s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet A des balcx BC vastpunt, ende AB met AC twee euen ermen sijn, ende an B hanghe het rechtreckwicht D, ende an C sy het rechthefwicht E, euewichtich an D, ende sijn balck sy FG, diens vastpunt H, ende euen ermen HF, HG, ende den houck ABI, sy euen anden houck ACF. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat het rechtdaelwicht D, ende trechthefwicht E, ande euen ermen AB, AC, euen ghewelden doen. </s><s><emph type="other"/>TBEREYTSEL<emph.end/>. </s><s>Laet an C een ghewicht K <pb pagenum="33"/>hanghen, euen an D. </s><s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren E, ende is blijckelijck dat de macht van D is de ermen AB, AC, in die ghegheuen ghestalt te houden, want D is euen an K, ende AB an AC. </s><s>Laet nu D weeren, ende E wederom anhanghen, ende de macht van E is oock de ermen AB, AC, in die ghegheuen ghestalt te houden, want K is euen an E, ende HF an HG, daerom E ende D doen an,euen ermen AB,AC, euen ghewelden. </s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet A des balcx BC vastpunt, ende AB met AC twee euen ermen sijn, ende an B hanghe het rechtreckwicht D, ende an C sy het rechthefwicht E, euewichtich an D, ende sijn balck sy FG, diens vastpunt H, ende euen ermen HF, HG, ende den houck ABI, sy euen anden houck ACF. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat het rechtdaelwicht D, ende trechthefwicht E, ande euen ermen AB, AC, euen ghewelden doen. </s><s><emph type="other"/>TBEREYTSEL<emph.end/>. </s><s>Laet an C een ghewicht K hanghen, euen an D. </s><s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren E, ende is blijckelijck dat de macht van D is de ermen AB, AC, in die ghegheuen ghestalt te houden, want D is euen an K, ende AB an AC. </s><s>Laet nu D weeren, ende E wederom anhanghen, ende de macht van E is oock de ermen AB, AC, in die ghegheuen ghestalt te houden, want K is euen an E, ende HF an HG, daerom E ende D doen an,euen ermen AB,AC, euen ghewelden. </s>

<s><emph type="other"/>IIVOORBEELT<emph.end/> met scheefwichten.</s>

<s><emph type="other"/>II. VOORBEELT<emph.end/> met scheefwichten.</s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet A des handthaefs vastpunt, ende AB met AC twee euen ermen sijn, ende an B hanghe tscheefdaelwicht D, diens scheefdaellini BE, ende an C sy tscheefhefwicht F, euen an D, ende sijn scheefheflini sy CG, ende den houck ABE, sy euen anden houck ACG. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat het scheefdaelwicht D, ende tscheefhefwicht F, ande euen ermen AB, AC, euen ghewelden doen. </s><s><emph type="other"/>TBEREYTSEL<emph.end/>. </s><s>Laet an C een scheefdaelwicht H hanghen euen an D, diens scheefheflini CI, euewydich <arrow.to.target n="marg115"/> sy van BE, ende CB sy wat voortghetrocken tot in K. </s>

<s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat het scheefdaelwicht D, ende tscheefhefwicht F, ande euen ermen AB, AC, euen ghewelden doen. </s><s><emph type="other"/>TBEREYTSEL<emph.end/>. </s><s>Laet an C een scheefdaelwicht H <pb pagenum="33"/>hanghen euen an D, diens scheefheflini CI, euewydich <arrow.to.target n="marg115"/> sy van BE, ende CB sy wat voortghetrocken tot in K. </s><s> <emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren F, ende is kennelick dat de macht van D teghen H, is de ermen AB, AC, in die ghegheuen ghestalt te houden, want D is euen an H, ende den erm AB, an AC, ende den houck ACI, anden houck KBE. </s><s>Laet nu D weeren, ende F wederom anhanghen, ende de macht van F is oock de ermen AB, AC, in die ghegheuen ghestalt te houden, ouermidts H euen is an F.</s>

<s>

<margin.target id="marg115"/>Parallela.

</s>

<s><emph type="other"/>III. VOORBEELT<emph.end/>.</s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet A des handthaefs vastpunt, ende AB met AC twee euen ermen sijn, ende an B hanghe het scheefdaelwicht D, diens scheefdaellini BE, ende an C sy het scheefhefwicht F, euen an D, diens scheefheflini sy CG, ende den houck KCG, sy euen anden houck KBE. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat het scheefdaelwicht D, ende het scheefhefwicht F, ande euen ermen AB, AC, euen ghewelden doen. </s><s><emph type="other"/>TBEREYTSEL<emph.end/>. </s><s>Laet an C een scheefdaelwicht H hanghen euen an D, diens scheefdaellini CI, also dat den houck ACI, euen sy anden houck ABE. </s><s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren F, ende is kennelick dat de macht van D teghen H, is de ermen AB, AC, in die ghegheuen ghestalt te houden, want D is euen an H, ende den erm AB an AC, ende den houck ACI, anden houck ABE. </s><s>Laet nu D weeren, ende F wederom anhanghen, ende de macht van F is oock de ermen AB, AC, in die ghegheuen ghestalt te houden, ouermits H euen is an F. </s>

<s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Een daelwicht dan ende een hefwicht an hem euen, doen met euen houcken an euen ermen euen ghewelden, twelck wy bewysen moesten. </s>

<s> <emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren F, ende is kennelick dat de macht van D teghen H, is de ermen AB, AC, in die ghegheuen ghestalt te houden, want D is euen an H, ende den erm AB, an AC, ende den houck ACI, anden houck KBE. </s><s>Laet nu D weeren, ende F wederom anhanghen, ende de macht van F is oock de ermen AB, AC, in die ghegheuen ghestalt te houden, ouermidts H euen is an F.</s>

<s> <emph type="other"/>VIII. EYSCH<emph.end/>. <emph type="other"/>XIIII. VOORSTEL<emph.end/>. </s>

<s><emph type="other"/>IIIVOORBEELT<emph.end/>.</s>

<s> <emph type="other"/>VIII. EYSCH. XIIII. VOORSTEL<emph.end/>. </s>

<s> <emph type="other"/>WESENDE<emph.end/> ghegheuen een pilaer, ende twee punten inden as, t'een vast t'ander int langste deel verroerlick: Te vinden een rechthefwicht an tverroerlick, dat den pilaer in sijn ghegheuen standt houde </s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet ABCD een pilaer sijn, weghende 6 lb, <pb pagenum="34"/>ende die ghedeelt als int beghin des voorstels, ende vastpunt sy R, ende roerlick V, int langste deel des as RQ, want int cortste RP ist onmueghelick dat eenich rechthefwicht den as in haer ghegheuen stant houde. </s><s> <emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten een rechthefwicht an V vinden, dat den pilaer in die standt houde. </s><s><emph type="other"/>TWERCK<emph.end/>. </s><s>Men sal de lini QR voorttrecken tot in Y, also dat RY euen sy an RV: Daer naer salmen vinden tghewicht Z an Y, euestaltwichtich met den pilaer, tselue (ghedenckende dat R vastpunt is) sal van 4 lb wesen door het voorstel; Ick seg daerom dat het begheerde rechthefwicht twelck Æ sy, van 4 lb sal wesen. </s>

<s> <emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten een rechthefwicht an V vinden, dat den pilaer in die standt houde. </s><s><emph type="other"/>TWERCK<emph.end/>. </s><s>Men sal de lini QR voorttrecken tot in Y, also dat RY euen sy an RV: Daer naer salmen vinden tghewicht Z an Y, euestaltwichtich met den pilaer, tselue (ghedenckende dat R vastpunt is) sal van 4 lb wesen door het voorstel; Ick seg daerom dat het begheerde rechthefwicht twelck Æ sy, van 4 lb sal wesen. </s><s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Ouermidts den erm RV des rechthefwichts Æ, euen is anden erm RY des ghewichts Z, ende Æ euen an Z, soo is de ghewelt Æ euen an de ghewelt van Z door het voorstel. </s><s>Maer de ghewelt van Z is (Æ gheweert sijnde) den pilaer in die standt te houden, de ghewelt dan van Æ (Z gheweert sijnde) is oock den pilaer in die standt te houden, twelck wy bewysen moesten. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan ghegheuen een pilaer, ende twee punten inden as, t'een vast, t'ander int langste deel verroerlick: Wy hebben gheuonden een rechthefwicht an tverroerlick, dat den pilaer in sijn ghegheuen standt houdt naer den eysch. </s>

<s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Ouermidts den erm RV des rechthefwichts Æ, euen is anden erm RY des ghewichts Z, ende Æ euen an Z, soo is de ghewelt Æ euen an de ghewelt van Z door het voorstel. </s><s>Maer de ghewelt van Z is (Æ gheweert sijnde) den pilaer in die standt te houden, de ghewelt dan van Æ (Z gheweert sijnde) is oock den pilaer in die standt te houden, twelck wy bewysen moesten. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan ghegheuen een pilaer, ende twee punten inden as, t'een vast, t'ander int langste deel verroerlick: Wy hebben gheuonden een rechthefwicht an tverroerlick, dat den pilaer in sijn ghegheuen standt houdt naer den eysch. </s>

<s><emph type="other"/>MERCKT<emph.end/>.</s>

<s> <emph type="other"/>MEN<emph.end/> soude oock mueghen segghen metten cortsten VR 3, gheeft RT 2, wat den pilaer 6 lb ? comt voor Æ 4 lb als vooren, waer af de reden int volghende I5 voorstel blijken sal.

<s>

<margin.target id="marg116"/>soude oock mueghen segghen metten cortsten VR 3, gheeft RT 2, wat den pilaer 6 lb ? comt voor Æ 4 lb als vooren, waer af de reden int volghende I5 voorstel blijken sal.

</s>

<s><emph type="other"/>IVERVOLGH<emph.end/>. </s>

<s><emph type="other"/>I. VERVOLGH<emph.end/>. </s>

<s> <emph type="other"/>NGHESIEN<emph.end/> den heelen pilaer door tghestelde 6 lb weeght, waer af Æ de 4 lb verheft, so volgt nootsaeckelick datter opt punt R, dat is op tsop des keghels &OElig;, 2 lb rusten. </s>

<s> <emph type="other"/>ANGHESIEN<emph.end/> den heelen pilaer door tghestelde 6 lb weeght, waer af Æ de 4 lb verheft, so volgt nootsaeckelick datter opt punt R, dat is op tsop des keghels &OElig;, 2 lb rusten. </s>

<s> <emph type="other"/>OFTE<emph.end/> soomen an R een rechthefwicht vougde, inde plaets des keghels &OElig;, als hier neuen, dat sal weghen 2 lb. </s><s> <emph type="other"/>OFTE<emph.end/> soomen an V een keghel Φ vougde, inde plaets des rechthefwichts Æ, als hier neuen, dat op den keghel &OElig; rusten sal 2 lb, ende op den keghel Φ 4 lb. </s>

<s> <emph type="other"/>OFTE<emph.end/> soomen an R een rechthefwicht vougde, inde plaets des keghels &OElig;, als hier neuen, dat sal weghen 2 lb. </s>

<s> <emph type="other"/>OFTE<emph.end/> soomen an V een keghel Φ vougde, inde plaets des rechthefwichts Æ, als hier neuen, dat op den keghel &OElig; rusten sal 2 lb, ende op den keghel Φ 4 lb. </s>

<s> <emph type="other"/>OFTE<emph.end/> soomen den pilaer ophinghe an twee euewidighe <arrow.to.target n="marg117"/> linien &OElig;R, ende ΦV, als hier neuen, dat ande lini &OElig;R hanghen sal 2 lb, ende ande lini ΦV 4 lb.</s>

<s>

<margin.target id="marg117"/>Parallelæs.

</s>

<s><emph type="other"/>II. VERVOLGH<emph.end/>. </s>

<s><emph type="other"/>IIVERVOLGH<emph.end/>. </s>

<s> <emph type="other"/>SO<emph.end/> anden pilaer (tpunt R vast sijnde als vooren) eenich gewicht ofte gewichten hingen, trechthefwicht sal oock bekent worden. </s><s>Laet by voorbeelt an X hanghen 6 lb, so sal Z moeten weghen I2 lb door het 3 voorstel, ende vervolghens Æ I2 lb. </s>

<s><emph type="other"/>VIIVERTOOCH. XVVOORSTEL<emph.end/>.</s>

<s><emph type="other"/>VII VERTOOCH<emph.end/>. <emph type="other"/>XV VOORSTEL<emph.end/>.</s>

<s> <emph type="other"/>WESENDE<emph.end/> twee punten inden as des pilaers, t'een vast t'ander verroerlick: Trechthefwicht an tverroerlic met den pilaer euestaltwichtich, heeft sulcken reden tot den pilaer als het asstick tusschen het swaerheyts middelpunt des pilaers, ende het vastpunt, tot het asstick tusschen tvastpunt ende t'verroerlick punt. </s>

<s><emph type="other"/>VERCLARING<emph.end/>. </s>

<s> <emph type="other"/>LAET<emph.end/> ons nemen de formen des I4 voorstels, al waer blijct dat ghelijck Æ 4 lb, tot tghewicht des pilaers 6 lb, alsoo TR tot RV. </s><s>Maer om d'oirsaeck hier af Wisconstelick <arrow.to.target n="marg118"/> te verclaren, soo is te weten dat ghelijck t'ghewicht Z, tottet ghewicht des pilaers, alsoo RT tot RY door het I voorstel; Maer Æ is euen an Z, ende RV is euen an RY door tghegeuen, ghelijck dan Æ tot den pilaer, alsoo TR tot RV. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan twee punten inden as des pilaers t'een vast t'ander verroerlick, &c. </s>

<s>

<margin.target id="marg118"/>Mathematicè.

</s>

<s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan twee punten inden as des pilaers t'een vast t'ander verroerlick, &c. </s>

<s><emph type="other"/>VIII VERTOOCH<emph.end/>. <emph type="other"/>XVI VOORSTEL<emph.end/>.</s>

<s><emph type="other"/>VIIIVERTOOCH. XVIVOORSTEL<emph.end/>.</s>

<s> <emph type="other"/>WESENDE<emph.end/> twee punten inden as des pilaers, t'een vast t'ander verroerlick: Trechthefwicht an tverroerlick dat den pilaer in een ghestalt houdt, sal hem in alle ghestalten houden. </s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet ons den pilaer met sijn ghewichten des I4 voorstels wat verkeeren op tvastpunt R, ende dat Æ 4 lb noch sy rechthefwicht, alsoo dat dan alles van gestalt sy als hier neuen. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dattet rechthefwicht Æ den pilaer oock in die ghegheuen ghestalt houdt. </s><s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren Æ ende anhanghen Z 4 lb, ende door het voorstel den pilaer sal in die ghestalt bliuen: Maer Æ doet by V soo grooten ghewelt anden pilaer als Z by Y door het I3 voorstel, daerom gheweert Z, ende Æ anghehanghen, soo sal Æ den pilaer oock in die ghestalt houden. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan twee punten inden as des pilaers t'een vast tander verroerlick, trechthefwicht an tverroerlick, dat den pilaer in een ghestalt houdt, sal hem in alle ghestalten houden, twelck wy bewysen moesten.</s>

<s><emph type="other"/>IXVERTOOCH. XVIIVOORSTEL<emph.end/>.</s>

<s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dattet rechthefwicht Æ den pilaer oock in die ghegheuen ghestalt houdt. </s>

<s> <emph type="other"/>RVSTENDE<emph.end/> een pilaer op twee punten inden as: Ghelijck het asstick tusschen t'swaerheyts middelpunt ende tslinckerpunt, tottet asstick tusschen tswaerheyts middelpunt ende trechterpunt, alsoo tghewicht des pilaers rustende op trechterpunt, tottet ghewicht rustende op tslinckerpunt. </s>

<s><emph type="other"/>TBEWYS<emph.end/>. </s><s>Laet ons weeren Æ ende anhanghen Z 4 lb, ende door het voorstel den pilaer sal in die ghestalt bliuen: Maer Æ doet by V soo grooten ghewelt anden pilaer als Z by Y door het I3 voorstel, daerom gheweert Z, ende Æ anghehanghen, soo sal Æ den pilaer oock in die ghestalt houden. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Wesende dan twee punten inden as des pilaers t'een vast tander verroerlick, trechthefwicht an tverroerlick, dat den pilaer in een ghestalt houdt, sal hem in alle ghestalten houden, twelck wy bewysen moesten.</s>

<s><emph type="other"/>IX VERTOOCH<emph.end/>. <emph type="other"/>XVII VOORSTEL<emph.end/>.</s>

<s> <emph type="other"/>TBEWYS<emph.end/>. </s><s>TR is dobbel an TV door tghewstelde, <pb pagenum="38"/>ende opt tpunt van Æ rust 4 lb, ende van &OElig; 2 lb door I veruolgh des I4 voorstels, maer 4 lb is tot 2 lb oock dobbel, ghelijck dan TR tot TV, alsoo tghewicht rustende op tpunt van Æ, tot tghewicht rustende op tpunt van &OElig;.</s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet ABCD een pilaer sijn weghende 6 lb, ghedeelt als int I voorstel, rustende met de twee punten R, V, op de punten van &OElig;, Æ. </s><s><emph type="other"/>TBEGHEERDE<emph.end/>. </s><s>Wy moeten bewysen dat ghelijck het asstick TR, tottet asstick TV, also tghewicht rustende mettet punt V op tpunt van Æ, tottet tghewicht rustende mettet tpunt R op tpunt van &OElig;. </s><s> <emph type="other"/>TBEWYS<emph.end/>. </s><s>TR is dobbel an TV door tghewstelde, <pb pagenum="38"/>ende opt tpunt van Æ rust 4 lb, ende van &OElig; 2 lb door I veruolgh des I4 voorstels, maer 4 lb is tot 2 lb oock dobbel, ghelijck dan TR tot TV, alsoo tghewicht rustende op tpunt van Æ, tot tghewicht rustende op tpunt van &OElig;.</s>

<s> Maer om tghemeen nootsaeckelick veruolgh in allen te bewysen, laet ons voorttrecken VR tot in Z, also dat RZ euen sy an RV; aensiende daer naer R voor tvastpunt, so sal an Z moeten hanghen Π 4 lb, om de pilaer in die ghestalt te houden door het 3 voorstel. </s><s>Maer tghene an V den pilaer in die ghestalt houdt als Æ, doet daer an alsulcken gheweldt als Π, door het I3 voorstel; An Æ dan rust een ghewicht euen an Π. </s><s>Laet ons insghelicx voorttrecken, RV tot in Φ, also dat VΦ euen sy an VR, ansiende daer naer V voor vastpunt, soo sal an Φ moeten hanghen Δ 2 lb, om den pilaer in die ghestalt te houden door het 3 voorstel, maer tghene an R den pilaer in die ghestalt houdt als &OElig;, doet daeran alsulcke ghewelt als Δ door het I3 voorstel, An &OElig; dan rust een ghewicht euen an Δ. </s><s>Nu anghesien Π euestaltwichtich is teghen den pilaer op tghemeen vastpunt R, so heeft den erm TR, sulcken reden tot den erm RZ, als Π tot den pilaer door I voorstel. </s><s>Insghelijcx nemende V voor tvastpunt, soo heeft den erm TV sulcken reden tot den erm VΦ, als Δ tot den pilaer, maer RZ is altijt euen an VΦ: Wy hebben hier dan twee eueredenheden <arrow.to.target n="marg119"/> elck van vier palen <arrow.to.target n="marg120"/>, welcker tweede palen an malcanderen euen sijn, ende welcker laeste palen an malcanderen oock euen sijn. </s><s> Maer alle twee eueredenheden elck van vier palen, welcker tweede palen an mal<pb pagenum="39"/>cander euen sijn, ende welcker laetste palen an malcander oock euen sijn, die hebben dander palen oock euerednich, daerom ghelijck TR tot TV, alsoo Π tot Δ; maer Π is euen an tghewicht des pilaers rustende met tpunt V op tpunt Æ, ende tghewicht Δ is euen an t'ghewicht des pilaers rustende met tpunt R op tpunt van &OElig;, daerom ghelijck TR tot TV, also tghewicht rustende mettet tpunt V op tpunt van Æ, tottet ghewicht rustende mettet punt R op tpunt van &OElig;. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Rustende dan een pilaer op twee punten inden as, &c. </s>

<s>

<margin.target id="marg119"/>Proportiones.

<margin.target id="marg120"/>Terminis.

</s>

<s> Maer alle twee eueredenheden elck van vier palen, welcker tweede palen an mal<pb pagenum="39"/>cander euen sijn, ende welcker laetste palen an malcander oock euen sijn, die hebben dander palen oock euerednich, daerom ghelijck TR tot TV, alsoo tot ; maer is euen an tghewicht des pilaers rustende met tpunt V op tpunt Æ, ende tghewicht is euen an t'ghewicht des pilaers rustende met tpunt R op tpunt van &OElig;, daerom ghelijck TR tot TV, also tghewicht rustende mettet tpunt V op tpunt van Æ, tottet ghewicht rustende mettet punt R op tpunt van &OElig;. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Rustende dan een pilaer op twee punten inden as, &c. </s>

<s><emph type="other"/>VERVOLGH<emph.end/>. </s>

<s> <emph type="other"/>SOO<emph.end/> de twee punten daer den pilaer op rust, waren inde hanghende <arrow.to.target n="marg121"/> linien door R en V, de selue ghewichten die hier vooren op elck rustende punt waren, soudender nu oock op sijn. </s><s>Laet by boorbeelt door de punten R, V, hanghende linien ghetrocken worden, ende punten inde selue ghestelt als Y , Ghenomen nu dat Y ende de punten sijn daer den pilaer op rust, tis kennelick dat op Y rusten sal 2 lb, ende op 4 lb, waer uyt alsulcken vertooch openbaer is.</s>

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<margin.target id="marg121"/>Perpendicularibus.

</s>

<s><emph type="other"/>10. VERTOOCH<emph.end/>. <emph type="other"/>XVIII. VOORSTEL<emph.end/>.</s>

<s>I 0. <emph type="other"/>VERTOOCH. XVIII. VOORSTEL<emph.end/>.</s>

<s> <emph type="other"/>RVSTENDE<emph.end/> een pilaer op eenighe twee punten, ghelijck het asstick tusschen tswaerheyts middelpunt ende de hanghende door t'slinckerpunt, tottet asstick tusschen t'swaerheydts middelpunt ende de hanghende door trechterpunt, also tghewicht des pilaers rustende op trechterpunt, tottet ghewicht rustende op t'slinckerpunt. </s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet ABCD een pilaer wesen, diens as EF, ende swaerheydts middelpunt G, ende de twee punten daer d'een pilaer op rust <emph type="other"/>HI<emph.end/>, waer duer ghetrocken sijn de hanghende linien KL, MN, sniende den as in O, P; Ick seg dat ghelijck GO tot GP, alsoo de swaerheydt rustende op tpunt I, tot de swaerheydt rustende op H, waer af tbewys openbaer is door tvervolgh des voorgaenden I7 voorstels, </s>

<s> <emph type="other"/>TGHEGHEVEN<emph.end/>. </s><s>Laet ABCD een pilaer wesen, diens as EF, ende swaerheydts middelpunt G, ende de twee punten daer d'een pilaer op rust HI, waer duer ghetrocken sijn de hanghende linien KL, MN, sniende den as in O, P; Ick seg dat ghelijck GO tot GP, alsoo de swaerheydt rustende op tpunt I, tot de swaerheydt rustende op H, waer af tbewys openbaer is door tvervolgh des voorgaenden I7 voorstels, </s>

<s> nochtans om alhier wat breder vande nootsakelicheyt te segghen, so laet ons achten al of H ter plaets van O waer, twelck soo ghenomen tghewicht alsdan op H rustende, heeft sulcken reden tottet ghewicht op P rustende, ghelijck GP, tot GO, duer het I7 voorstel; Laet ons voort nemen dattet tpunt H vast blijuende, den pilaer in haer ghegheuen ghestalt neerghetrocken worde, soo verre als van H tot O, ende duer de begheerte, de swaerheydt an H rustende blijft de selue. </s><s>Sghelijcx salmen bethoonen de swaerheyt dieder op P rust, oock te rusten op I, daerom ghelijck GO tot GP, also de swaerheyt rustende op I, tot de swaerheyt rustende op H. </s><s><emph type="other"/>TBESLVYT<emph.end/>. </s><s>Rustende dan een pilaer op eenighe twee punten, &c. </s>

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