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

Table of figures

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001467">
                <pb pagenum="284" xlink:href="010/01/292.jpg"/>
                <arrow.to.target n="marg379"/>
                <lb/>
              tet, quòd neceſſitate mechanica in tubo pneumatico
                <lb/>
              requiritur maior vis ad
                <expan abbr="trahẽdũ">trahendum</expan>
                <expan abbr="embolũ">embolum</expan>
                <expan abbr="quãdo">quando</expan>
              aqua
                <lb/>
                <expan abbr="ſubleuãda">ſubleuanda</expan>
              eſt ad maiorem
                <expan abbr="altitudinẽ">altitudinem</expan>
              ,
                <expan abbr="quã">quam</expan>
              ad
                <expan abbr="minorẽ">minorem</expan>
              .
                <lb/>
              </s>
              <s id="s.001468">modò quia ſuperficies aquæ B premitur ab aqua BS
                <lb/>
              (non conſiderato embolo) & ab aere FV, & ſuperfi­
                <lb/>
              cies aquæ C grauatur tantummodò à cylindro aereo
                <lb/>
              EX æquè graui ac FV (eò quòd inſignis atmoſphærę
                <lb/>
              ſublimitas eſt in cauſa vt exceſſus altitudinis cylin­
                <lb/>
              dri EX ſupra cylindri FV altitudinem ſit omninò in­
                <lb/>
              ſenſibilis, proindeque cenſeri poſſint aerei cylindri
                <lb/>
              EX, & FV æquè graues) ergo exceſſus grauitatis a­
                <lb/>
                <arrow.to.target n="marg380"/>
                <lb/>
              quæ BS compenſari debet à vi contraria manus A
                <lb/>
              embolum AI trahentis. </s>
              <s id="s.001469">Sed animaduertendum eſt
                <lb/>
              quòd vis manus embolum trahentis reuera non ele­
                <lb/>
              uat aquam BS, quia hæc æquilibratur à ſibi æquali
                <lb/>
              momento aeris EX, fed tantummodò manus ſuſten­
                <lb/>
              tat prohibetque preſſionem incumbentis aeris FV,
                <lb/>
              æquilibrati cum EX, cuius preſſionis
                <expan abbr="momẽtũ">momentum</expan>
              æqua­
                <lb/>
              tur ponderi aquæ ſubleuatæ BS. hinc fit vt præiudi­
                <lb/>
              cio decepti putemus nos ſuſtinere aquam ſubiectam
                <lb/>
              quando reuerà ſuſtentamus aerem incumbentem̨
                <lb/>
              FV æquilibratum ipſi EX. </s>
            </p>
            <p type="margin">
              <s id="s.001470">
                <margin.target id="marg377"/>
              Cap. 6. non
                <lb/>
              dari attracti­
                <lb/>
              onem.</s>
            </p>
            <p type="margin">
              <s id="s.001471">
                <margin.target id="marg378"/>
              Cap. 6. non
                <lb/>
              dari attracti­
                <lb/>
              onem.</s>
            </p>
            <p type="margin">
              <s id="s.001472">
                <margin.target id="marg379"/>
              Cap. 6. non
                <lb/>
              dari attractio­
                <lb/>
              onem.</s>
            </p>
            <p type="margin">
              <s id="s.001473">
                <margin.target id="marg380"/>
              Notandum
                <lb/>
              tamen quod
                <lb/>
              vis. </s>
              <s id="s.001474">
                <expan abbr="embolũ">embolum</expan>
                <lb/>
              ſubleuans
                <expan abbr="">non</expan>
                <lb/>
              attrahit, nec
                <lb/>
                <expan abbr="ſuſtẽtat">ſuſtentat</expan>
                <expan abbr="aquã">aquam</expan>
                <lb/>
                <expan abbr="ſubiectã">longs;ubiectam</expan>
              ſibi­
                <lb/>
              que
                <expan abbr="adhærẽ-tem">adhæren­
                  <lb/>
                tem</expan>
              , ſed po­
                <lb/>
              tiùs ſsuſtinet
                <lb/>
                <expan abbr="aereũ">aereum</expan>
              cylin­
                <lb/>
              drum
                <expan abbr="incũ-bentem">incum­
                  <lb/>
                bentem</expan>
              .</s>
            </p>
            <p type="main">
              <s id="s.001475">Tandem cùm altitudo aquæ BS ad 18. cubitos fe­
                <lb/>
              rè peruenerit, licèt deinceps embolus maiori vi alti­
                <lb/>
              ùs trahatur nè minimum quidem aqua vlterius ſuble­
                <lb/>
              uabitur, ex quo euincitur aquam non attrahi ab em­
                <lb/>
              bolo, ſed impelli à pondere cylindri aerei collatera­
                <lb/>
              lis, qui cum prædicta aquæ altitudine æquilibratur.
                <lb/>
              </s>
              <s id="s.001476">Et hæc modo ſufficiant pro euerſione virtutis attrac­
                <lb/>
              tiuæ. </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>