Fabri, Honoré, Dialogi physici in quibus de motu terrae disputatur, 1665

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      <text>
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          <chap>
            <p type="main">
              <s id="s.002296">
                <pb pagenum="193" xlink:href="025/01/197.jpg"/>
              Si mercurius IC ſuſtinetur à cylindro exterioris aëris, igitur cum illo perfe­
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              ctum ęquilibria ſunt, igitur
                <expan abbr="cũ">cum</expan>
              alio æquali pondere ad libram appenſo aliud
                <lb/>
                <expan abbr="æquilibriũ">æquilibrium</expan>
              facere non poteſt; Supponamus enim
                <expan abbr="Mercuriũ">Mercurium</expan>
              IC, eſſe trium li­
                <lb/>
              brarum, æquilibrium facit cum cylindro aëris etiam trium
                <expan abbr="librarũ">librarum</expan>
              ; ſi autem
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              aliud pondus
                <expan abbr="triũ">trium</expan>
              librarum in altera lance appendatur, cum hoc Mercurius
                <lb/>
              æquilibrium facere nequit, alioquin ſex libris Mercurius Æquiponderaret
                <lb/>
              quod legibus Staticæ repugnat. </s>
              <s id="s.002297">Et verò Mercurius CI ab aëris cylindro
                <expan abbr="ſu-ſtẽtatus">ſu­
                  <lb/>
                ſtentatus</expan>
              perinde ſe habet, atque ſi eſſet cylindrus vel embolus, qui nullo ne­
                <lb/>
              gotio educi & immitti poſſet per
                <expan abbr="fiſtulã">fiſtulam</expan>
              ; ſed prædictus cylindrus digito v.g.
                <lb/>
              ſuſtentatus fiſtulæ pondus non augeret; & hæc eſt ſecunda ratio; aperto
                <lb/>
              enim foramine in D, inductoque embolo in cavitatem BC, ſi eum digito
                <lb/>
              tantulum attollis, clauſo foramine in D, & fiſtula appendatur,
                <lb/>
              præfatus cylindrus nullum pondus addit fiſtulæ; igitur, nec Mer­
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              curius CI, à cylindro aëris ſuſtentatus; cùm vtrimque par ſit
                <lb/>
              ratio. </s>
            </p>
            <p type="main">
              <s id="s.002298">
                <emph type="italics"/>
              Chryſoc.
                <emph.end type="italics"/>
              </s>
              <s id="s.002299"> Diceret fortaſsè aliquis, Mercurium contentum Segmento IC
                <lb/>
              gravitate in latera fiſtulæ; ſi enim fiſtula perforetur in L v.g. per foramen
                <lb/>
              Mercurius effluit. </s>
            </p>
            <p type="main">
              <s id="s.002300">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.002301"> Scio, ita aliquos reſpondere; ſed hæc reſponſio, meo ſaltem
                <lb/>
              judicio, nodum non ſolvit; quando enim latera vaſis ita non adhærent
                <lb/>
              contento, quin ea liberè, ſine illo moveri poſſint, de primi ſcilicet, at­
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              que attolli, in ea certè corpus contentum non gravitat; quia non ob­
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              ſtant, quo minùs illud deorſum eat; hoc autem luculento experimento de­
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              monſtro. </s>
            </p>
            <figure id="id.025.01.197.1.jpg" xlink:href="025/01/197/1.jpg" number="69"/>
            <p type="main">
              <s id="s.002302">Sit Vas BAC oblongum, clauſum in C, apertum
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              in AB, plenum aqua, illudque ex ligno leviſſimo, &
                <lb/>
              valde craſſum; immergatur in aquam, donec ſit in
                <lb/>
              æquilibrio, immerſo ſegmento DC, extante verò
                <lb/>
              Segmento DA, aqua contenta ſegmento DA, extans
                <lb/>
              ſupra ſuperficiem aquæ GDF, eodem modo gravitat
                <lb/>
              in latera vaſis CADB, quo Mercurius in latera præ­
                <lb/>
              dictæ fiſtulæ; ſi tamen appendatur vas CA, in hoc
                <lb/>
              ſitu nullum pondus habet, quia ſcilicet ab aqua ſuſti­
                <lb/>
              netur; nihilo tamen minus, ſi perforetur latus DB,
                <lb/>
              per foramen effluet aqua, ſicuti Mercurius per fora­
                <lb/>
              men apertum in fiſtula effluit. </s>
              <s id="s.002303">Sed alio experimento lu­
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              culentiore rem hanc explico: Sit vas HB continens Mercurium FB ſic tu­
                <lb/>
              bus ligneus oblongus, ex materia leviſſima, MC, vtrimque pervius, ſi
                <lb/>
              imponatur altera eius extremitas C Mercurio, tantulum ſegmentum im­
                <lb/>
              mergetur; infundatur mox aqua in prædictum tubum, per os ſuperius M,
                <lb/>
              donec proximè ad C Mercurij tubo contenti ſuperficies deprimatur, aqua
                <lb/>
              verò tubo infuſa aſſurgat in K ; denique appendatur tubus CM, nullam
                <lb/>
              profecto ponderis vim exerit, quia ſcilicet ſuſtinetur à Mercurio; immo
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              ſi deprimatur infra C, ſurſum extruditur à Mercurio, æquali, vel potiùs
                <lb/>
              eodem aquæ ſegmento ſemper extante; & ſi tantulum attollatur ſupra C, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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