<p id="id.2.1.223.8.0.0.0" type="head"> <s id="id.2.1.223.9.1.1.0">PROPOSITIO I. </s></p>

<p id="id.2.1.223.10.0.0.0" type="main"> <s id="id.2.1.223.10.1.1.0">Potentia pondus &longs;u&longs;tinens axe in peritrochio <lb/>
ad pondus eandem habet proportionem, quam <lb/>
&longs;emidiameter axis ad &longs;emidiametrum tympani <lb/>
vn&aacute; cum &longs;cytala. <figure id="id.036.01.227.1.jpg" place="text" xlink:href="monte_mecha_036_la_1577/036-01-figures/036.01.227.1.jpg"/></s></p>

<p id="id.2.1.223.11.0.0.0" type="main"> <s id="id.2.1.223.11.1.1.0">Sit diameter axis AB, cuius centrum C; &longs;it diameter tympani <lb/>
DCE circa idem centrum; &longs;intq; AB DE in eadem recta linea; <lb/>
&longs;int deinde &longs;cytal&aelig; in foraminibus tympani DF GH &amp; c inter &longs;e &longs;e <lb/>
&aelig;quales, atq; &aelig;qu&egrave; di&longs;tantes; &longs;itq; FE horizonti &aelig;quidi&longs;tans;