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<s id="id.2.1.223.9.1.1.0">PROPOSITIO I. </s></p>
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<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/> vná 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>
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<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;cytalæ in foraminibus tympani DF GH & c inter &longs;e &longs;e <lb/> æquales, atq; æquè di&longs;tantes; &longs;itq; FE horizonti æquidi&longs;tans;