Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000152">
                <pb pagenum="32" xlink:href="010/01/040.jpg"/>
                <arrow.to.target n="marg32"/>
                <lb/>
              priſma vel cylindrus ſolidus, tunc quidem dum priſ­
                <lb/>
              ma deſcendit, vniuerſa aqua illud ambiens ſurſum̨
                <lb/>
              eleuatur. </s>
              <s id="s.000153">vel illo aſcendente hæc deprimitur, com­
                <lb/>
              parari ergo debet priſma comprehenſum cum anulo
                <lb/>
              ſeu potiùs cum fiſtula fluida id ambiens, & ſic effici­
                <lb/>
              tur libra quædam plana cuius fulcimentum erit linea
                <lb/>
              in confinio cylindri demerſi, & fluidi ambientis ex­
                <lb/>
              tenſa pariterque locus, vbi communis grauitas exer­
                <lb/>
              cetur non erit punctum, ſed erit quoque linea in eo­
                <lb/>
              dem plano horizontali producta; ſed facilitatis gra­
                <lb/>
              tia concipi debet ſector aliquis in prædicto plano ex
                <lb/>
              centro prædictæ libræ ſuperficialis in axe cylindri
                <lb/>
              conſtituto vſque ad ſuperficiem aquæ ambientis, quę
                <lb/>
              contrarijs motibus vnà cum cylindro mouetur; ſeù
                <lb/>
              potius concipi debet radius, ſeù ſemidiameter
                <expan abbr="nõ">non</expan>
              in
                <lb/>
              diuiſibilis, ſed phyſica, & hęc vſurpari poteſt vt libra
                <lb/>
              particularis cum ſuo fulcimento, & centro grauita­
                <lb/>
              tis, vniuerſa verò libra ſuperficialis compoſita erit ex
                <lb/>
              pluribus, & innumeris libris radioſis, vt dictum eſt,
                <lb/>
              & hæc innuiſſe modò ſufficiat in hac generali præpa­
                <lb/>
              ratione, inferiùs enim accuratiùs exponentur. </s>
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        </body>
      </text>
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