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

List of thumbnails

< >
211
211
212
212
213
213
214
214
215
215
216
216
217
217
218
218
219
219
220
220
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001088">
                <pb pagenum="210" xlink:href="010/01/218.jpg"/>
                <arrow.to.target n="marg280"/>
                <lb/>
              preſſio ſupra ſuperficiem hydrargyri D altiùs ele­
                <lb/>
              uatur mercurius in fiſtula BFA. ſic ſi noua fiſtula, vel
                <lb/>
              inſtrumento pneumatico aer inſuffletur, vt compri­
                <lb/>
              mat ſuperficiem hydrargyri D eleuatur quoque ſu­
                <lb/>
              prema ſuperficies F hydrargyri in fiſtula clauſa; & ſi
                <lb/>
              è contrà embolo retracto, velùti exugatur aer impe­
                <lb/>
              diatur que compreſſio eius ſupra mercurium D ſpon­
                <lb/>
              tè labetur mercurius deſcendetque deorsùm versùs
                <lb/>
              B. præterea ſi ſupra mercurium in D infundatur aqua,
                <lb/>
              quæ propagetur vique ad libellam GI, tunc quidem
                <lb/>
              mercurius quoque eleuatur ab F vſque ad H, & quod
                <lb/>
              mirum eſt, eleuatur mercurius præcisè pro menſura
                <lb/>
              ponderis aquæ incumbentis GD, ſcilicèt altitudo G
                <lb/>
              D erit quatuordeciès maior, quàm FH, quia talis re­
                <lb/>
              ciprocè eſt proportio ponderis mercurij ad aquam.
                <lb/>
              </s>
              <s id="s.001089">Si igitur in ſpatio inani nulla alia cauſa vlterioris ele­
                <lb/>
              uationis hydrargyri FH aſſignari poteſt præter gra­
                <lb/>
              uitatem aquæ collateralis GD cum qua mercurius F
                <lb/>
              H æquilibrium efficit, quare negabimus reliquum
                <lb/>
              mercurij FB eleuari à pondere aliquo premente ſu­
                <lb/>
              perficiem D, quæ ſit ſemper eiuſdem roboris? </s>
              <s id="s.001090">cùm­
                <lb/>
              que nullum aliud corpus grauitans aſſignari poſſit
                <lb/>
              prætèr aerem, igitur neceſſariò ab hoc mercurius
                <lb/>
              eleuatur. </s>
            </p>
            <p type="margin">
              <s id="s.001091">
                <margin.target id="marg280"/>
              Cap. 5. de ae­
                <lb/>
              ris grauitate
                <lb/>
              æquilibrio,
                <lb/>
              ſtructura, &
                <lb/>
              vi elaterią
                <lb/>
              eius.</s>
            </p>
            <p type="main">
              <s id="s.001092">Prætermiſſis alijs experimentis excogitatis à viris
                <lb/>
              doctiſſimis in Italia, Gallia, & Anglia, de quibus fusè
                <lb/>
              agitur in libro
                <expan abbr="experimẽtorum">experimentorum</expan>
              noſtræ Academiæ ex­
                <lb/>
              perimentalis Mediceæ nè repetamus ea, quæ iam paſ­
                <lb/>
              ſim vulgata ſunt, tantummodò recenſebo, & ad exa-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>