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

Table of figures

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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>
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            <p type="margin">
              <s id="s.001105">
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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>
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            <p type="main">
              <s id="s.001106">Si poſtea fiſtula vitrea ſecetur in B, eiuſque ſupre­
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              ma portio BA tollatur amoueaturque, at que pondus
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              M æquale ſit grauitati vitri decurtati CB, tunc
                <expan abbr="quidẽ">quidem</expan>
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              incumbit, ac innititur fiſtulę cylindrus aqueus BA
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              fiſtulamque comprimit non ſecus, ac priùs quando
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              intra cauitatem fiſtulæ AB continebatur. </s>
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              PROP. CIII.
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            <p type="main">
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              Licèt Torricelliana fistula à mercurio in ea ſuſpenſo
                <expan abbr="">non</expan>
              gra­
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              uetur, tamen manus cogitur ſuſtinere pondus cylin­
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              dri aerei fiſtulæ incumbentis, quod æquatur
                <expan abbr="põ-deriincluſi">pon­
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                deri incluſi</expan>
              mercurij.
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                <emph.end type="center"/>
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            <p type="main">
              <s id="s.001109">IDipſum noſtræ fiſtulæ directæ in ae­
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              re conſtitutæ adaptari poteſt, ſit­
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              que illa AC duorum cubitorum habe­
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              atque orificium C inſignis exiguitatis,
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              repleaturque mercurio deorſumquę
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              inuertatur in aere libero (non enim
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              neceſsè eſt, vt os C intra ſcutellam
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              mercurij plenam infundatur,
                <expan abbr="quãdo">quando</expan>
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              valdè ſtrictum eſt os eius C,) tunc
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              ab infimo orificio C mercurius in ae­
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              re profluet quouſque altitudo CB
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              fuerit vnius cubiti, & quadrantis pro­
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              ximè. </s>
              <s id="s.001110">Hic concipi debet cylindrus
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              aereus SG vſque ad ſupremam regio­
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              nis aeris ſuperficiem extenſus, qui re­
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              flexus per EC vim faciat contra preſſionem mercu­
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              rij BC, eumque ſuſpendat, & ſic liberè concedo ad-</s>
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