Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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    <archimedes>
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          <chap>
            <pb xlink:href="018/01/117.jpg" pagenum="103"/>
            <p type="main">
              <s>
                <emph type="italics"/>
              Guld.
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              </s>
              <s> Prouocet: per me licet. </s>
              <s>Eum ta­
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              men monitum velim parum ex Archimede
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              ſperandum, cum eam
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              ille magnitudinem da­
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                <figure id="id.018.01.117.1.jpg" xlink:href="018/01/117/1.jpg" number="28"/>
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              tâ operâ ponere volue­
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              rit, quam nemo eo­
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              rum, quibuſcum di­
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              ſputabat, iuſto mino­
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              rem calumniari poſſet. </s>
              <s>
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              Quodverò ad Ariſtote­
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              lem ſpectat, non mul­
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              tum habet momen­
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              ti Peripatetica autho­
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              ritas, cui apodictica ratio aduerſatur. </s>
              <s>Porrò
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              longè melius eſt opticæ lineæ longitudinem
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              præcognoſcere, & ex illâ terræ magnitudi­
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                <arrow.to.target n="note48"/>
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              nem inueſtigare, quàm incertis coniecturis
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              telluris ambitum ſtatuere; & infirmo huic
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              fundamento æquè nutantem de aſpectûs lon­
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              gitudine ſententiam ſuperſtruere. </s>
              <s>Sit enim
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              nota altitudo BA, & obſeruatus fuerit angu­
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              lus BAD; notus eſt angulus complementi,
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              qui eſt ad C: ducta autem recta BD facit
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              angulum BDA, qui eſt ſemiſſis noti anguli
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              ad C, vt paulò antè dicebam. </s>
              <s>Cum itaque
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              in triangulo BAD datum ſit latus AB, & duo
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              anguli ad A & ad D innotuerint, inueniri
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              poterit quantitas lineæ opticæ AD. </s>
              <s>Tum </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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