Fabri, Honoré, Tractatus physicus de motu locali, 1646

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            <p id="N2A4F2" type="main">
              <s id="N2A4FD">
                <pb pagenum="437" xlink:href="026/01/473.jpg"/>
              eſſe videatur, methodus huius calculationis facilis eſt, & à mediocri
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              Logiſta haberi poteſt. </s>
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            <p id="N2A509" type="main">
              <s id="N2A50B">Sextò, hinc etiam habetur longitudo funependuli iſochroni, ſi vol­
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              uatur planum circulare parallelum plano, in quo voluitur, continet
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              enim 2/3 diametri circuli, qui voluitur; vt patet ex Th. 22. idem dico de
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              quolibet ſectore, qui eodem modo voluatur. </s>
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            <p id="N2A515" type="main">
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                <emph type="center"/>
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              Theorema
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              35.
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            <p id="N2A523" type="main">
              <s id="N2A525">
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              Si voluatur pyramis circa verticem, determinari poteſt longitudo funepen­
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              duli iſochroni, idem dico de parallelipedo, priſmate, cono, cylindro, &c.
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              per
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              Th.25. 26. & Corollaria; </s>
              <s id="N2A532">quia inuento centro percuſſionis extrinſeco,
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              habetur prædicta longitudo; idem dico de cono mixto, ſectore ſolido,
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              &c. </s>
              <s id="N2A53A">per Th.28. & Coroll. </s>
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            <p id="N2A53E" type="main">
              <s id="N2A540">
                <emph type="center"/>
                <emph type="italics"/>
              Corollarium.
                <emph.end type="italics"/>
                <emph.end type="center"/>
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            </p>
            <p id="N2A54C" type="main">
              <s id="N2A54E">Hinc colligo primò ex dato centro percuſſionis extrinſeco, dari ſtatim
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              longitudinem funependuli iſochroni, & viciſſim. </s>
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            <p id="N2A553" type="main">
              <s id="N2A555">Secundò, data quacunque longitudine funependuli iſochroni, v. g.
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              tripla perpendicularis, cadentis in baſim trianguli iſoſcelis, dari poſſe
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              triangulum, cuius libratio ſit æquediuturna, ſed hæc breuiter indicaſſe
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              ſufficiat.
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              </s>
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