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

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              <s id="s.001284">
                <pb pagenum="249" xlink:href="010/01/257.jpg"/>
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                <lb/>
              tudinem S, niſi grauitas eius imminuatur; auferri igi­
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              tur debent aliqua grana, ſeù anuli ænei è collo fiſtulæ
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              AM, vt machina ad æquilibrium
                <expan abbr="cũ">cum</expan>
              aqua redigatur,
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              mergaturque denuò
                <expan abbr="vſq;">vſque</expan>
              ad ſitum S; quot igitur gra­
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              na tolluntur à fiſtulæ collo A, tot præcisè menſura­
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              bunt pondus aeris ABL intra fiſtulam incluſi. </s>
            </p>
            <p type="margin">
              <s id="s.001285">
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              Cap. 5. de ae­
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
            </p>
            <p type="margin">
              <s id="s.001286">
                <margin.target id="marg333"/>
              Cap. 5. de ae­
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
                <lb/>
              vi elaterią
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              eius.</s>
            </p>
            <p type="main">
              <s id="s.001287">Multis modis poſtea indagari poteſt proportio
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              ponderis aeris ad aquam, ſed omnium facillimus, &
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              ſimplex erit ſi in aere perfectiſſima bilance pondere­
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              tur moles aquæ æqualis ſpatio ABL, & hic compa­
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              retur cum pondere iam inuento aeris eiuſdem molis
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              ABL. </s>
            </p>
            <p type="main">
              <s id="s.001288">
                <emph type="center"/>
              PROP. CXIX.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001289">
                <emph type="center"/>
                <emph type="italics"/>
              Poſtea emisſis quam plurimis termostaticis à me inuentis
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              afferam instrumentum quo pondus abſolutum aeris
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              in diuerſis locis eleuatis, ac depresſis, & variè
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              temperatis reperiri poteſt.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="s.001290">FIant tres ampullæ, vel veſicæ vitreæ, vel æneæ,
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              qualis eſt AB, habeantque collum
                <expan abbr="ſupremũ">ſupremum</expan>
              CA
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              æneum perfectiſſimè contornatum, hoc autem viſco­
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              ſa aliqua materia, ac tenaci vniatur ferrumineturque
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              cum ſuprema ampullæ parte; habeat poſtea
                <expan abbr="canalẽ">canalem</expan>
              ,
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              ſeu colli cauitatem turbinatam conicè, & perfectiſſi­
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              mè
                <expan abbr="læuigatã">læuigatam</expan>
              , huic verò cauitati adaptari poſſit aliud
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              operculum paritèr æneum, & turbinatum, & exqui­
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              ſitiſſimè læuigatum, vt nimirùm nulla rimula rema­
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              neat, & perfectiſſimè claudat orificium fiſtulæ C, vt </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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