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

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            <pb pagenum="173" xlink:href="025/01/177.jpg"/>
            <p type="main">
              <s id="s.002012">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.002013"> Nulla eſt in hoc difficultas, & valde miror, te in hoc ar­
                <lb/>
              gumento diutiùs hærere; in qua enim proportione decreſcit pondus, de­
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              creſcit reſiſtentia; id eſt, in qua proportione contrahitur baſis Cylindri
                <lb/>
              comprimentis, contrahitur & Cylindri compreſſi: nempe, vt ſe habet
                <lb/>
              comprimens Cylindrus, cujus baſis eſt vt quatuor, ad Cylindrum com­
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              preſſum baſis vt quatuor, ita ſe habet Cylindrus baſis 2.ad Cylindrum ba­
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              ſis vt 2.ejuſdem ſcilicet altitudinis. </s>
            </p>
            <p type="main">
              <s id="s.002014">
                <emph type="italics"/>
              Chryſocom.
                <emph.end type="italics"/>
              </s>
              <s id="s.002015"> Quis, quæſo capiat, tantam preſſionis vim, quam haud du­
                <lb/>
              biè immane pondus incubantis aëris omninò efficeret, etiam ſi demus,
                <lb/>
              aëris gravitatem eſſe ad gravitatem aquæ vt 1. ad 1000. aut etiam ſi vis,
                <lb/>
              duplo, vel triplo minorem; porrò aëra parum admodum compreſſum eſſe,
                <lb/>
              vel ex eo probatur argumento, vt aiunt, ad hominem, quod tantulum aquæ
                <lb/>
              dumtaxat elevet. </s>
            </p>
            <p type="main">
              <s id="s.002016">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.002017"> In hoc ſaltem hallucinaris, quòd eandem aëris gravitantem
                <lb/>
              vbique eſſe ſupponas, quod tamen à veritate prorſus alienum eſt, nempe
                <lb/>
              aër inferior gravior eſt, quia compreſſior, in quacumque voles ratione;
                <lb/>
              cùm enim aëris altitudinem certam neſciamus, ſuper hoc, niſi tantùm in
                <lb/>
              genere, aliquid definire nequimus; quòd autem modicam vim preſſionis,
                <lb/>
              ſeu potiùs compreſſionis aëris ex eo probes, quòd modicus ſit illius effe­
                <lb/>
              ctus, aqua ſcilicet per canaliculum aſſurgens, rectè, meo judicio, non de­
                <lb/>
              ducis; cùm etiam aër exterior compreſſus, per ſupremum os canaliculi per­
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              vij eam vim retundat; minùs tamen; vnde alia preſſio prævaleat neceſ­
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              ſe eſt. </s>
            </p>
            <p type="main">
              <s id="s.002018">
                <emph type="italics"/>
              Chryſocom.
                <emph.end type="italics"/>
              </s>
              <s id="s.002019"> Immò tu potiùs hallucinaris, Auguſtine, licèt enim retun­
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              dat, repellatque humorem per caniculum aſſurgentem aër compreſſus, per
                <lb/>
              eundem ſcilicet canaliculum ſuam vim exerens; quia tamen vires preſſio­
                <lb/>
              nis ſunt vt anguli, ſeu coni preſſionum, de quibus ante, haud dubiè preſſio
                <lb/>
              intra canaliculum vix eſſet millecupla alterius, ac proinde milleſimam
                <lb/>
              tantùm effectus, ſcilicet elevationis partem impediret, quæ reverà ſub ſen­
                <lb/>
              ſum non cadit. </s>
            </p>
            <p type="main">
              <s id="s.002020">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.002021"> Sentio vim hujus argumenti, cui ſolvendo vix parem me ſen­
                <lb/>
              tio; immò alia duo mihi veniunt in mentem, quæ non parum negotij mihi
                <lb/>
              faceſſunt; fer opem, Antime, nempe de tua cauſa & ſententia hîc agitur. </s>
            </p>
            <p type="main">
              <s id="s.002022">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.002023"> Citiùs quàm par eſſet, animum deſpondes; quid quæſo hîc diffi­
                <lb/>
                <figure id="id.025.01.177.1.jpg" xlink:href="025/01/177/1.jpg" number="67"/>
                <lb/>
              cile? </s>
              <s id="s.002024">Repete Figuram ſuperiorem. </s>
              <s id="s.002025">Sitque ſuperfi­
                <lb/>
              cies aquæ AB, in quam vis preſſionis exeritur ;
                <lb/>
              itemque FG, in quam etiam vis preſſionis
                <lb/>
              cadit, minor certè, ſed in minima proportione
                <lb/>
              inæqualitatis incumbit; nempe totus aër æqua­
                <lb/>
              liter premit AB & FG, vſque ad terminum
                <lb/>
              DE, cùm æquè liber ſit, vt patet; illa ſolùm
                <lb/>
              aëris portio contenta in ſegmento canaliculi
                <lb/>
              FE inæqualitatem inducit; nimirum totus aër
                <lb/>
              liberè premit FG, ſed excepta portione FE;
                <lb/>
              cujus angulus preſſionis contrahitur, de hoc </s>
            </p>
          </chap>
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