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

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            <pb pagenum="182" xlink:href="025/01/186.jpg"/>
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              <s id="s.002158">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.002159"> Non negaverim, frangi aliqua; quod tamen non obſtat; cùm
                <lb/>
              alterum ſegmentum, cujus altera extremitas poro ſuccini adhæret, redu­
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              catur poſt fractionem; opus tamen non eſt, vt rumpantur; cùm ad præfa­
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              tos effectus explicandos ſatis ſit filamen, tenſum priùs, deinde cum im­
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              petu ſuccinum versùs reduci, vt fieri videmus in chordis tenſis: habetis
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              igitur ſimplicem iuxta atque facilem modum à me aliàs excogitatum,
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              explicandæ virtutis electricæ; nec effluvium illud gratis, vt dicebas, à me
                <lb/>
              fingitur, quod ſcilicet tam multa & varia experimenta evincunt; quod­
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              que (ita ſaltem mihi videtur) viſu & auditu percipi poteſt; dicerem etiam
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              tactu, niſi vobis riſum movere timerem; nam præter illam reſiſtentiam,
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              quam digitus ſentit, dum feſtucam affixam removere lentè conatur, ſi
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              poſt affrictum ſuccinum validum & probè lævigatum proximè admoveam
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              extremæ linguæ, vel oculis, vel parti cuipiam læſæ, quæ vel leviſſimum
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              tactum ferre nequeat, aliquem appulſum ſentire mihi videor; probate
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              ſulcis, ſed de his fortè prolixiùs, quam par eſſet; jam ad Mercurij elevatio­
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              nem veniendum eſt. </s>
            </p>
            <p type="main">
              <s id="s.002160">
                <emph type="italics"/>
              Auguſtin.
                <emph.end type="italics"/>
              </s>
              <s id="s.002161"> Per vos mihi liceat vnum proferre; quod diu in mente volvo;
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              ſcilicet, aëra mihi videri æquè compreſſum in quolibet tractu, ſive ille
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              ſuperior, ſive inferior ſit: demus enim infimum preſſiorem eſſe, vtpote
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              cui totum pondus ſuperioris incumbat, quod ſupra innuiſſe viſus es,
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              Antime; igitur aër compreſſus intra vas, inde non erumpit, licèt vas ape­
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              riatur: aut certè adversùs alium aëra erumpit, eique ſeſe admiſcet, &
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              preſſionem æquè dividit; dico igitur, infimum aëris tractum equidem ma­
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              gis comprimi, majoris ponderis vi gravitantis ; ſed ita contraniti, vt tra­
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              ctum ſuperiorem continuum comprimat; atque adeò communis & æqua­
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              lis ſit vtriuſque compreſſio; nempe aër in aëre compreſſus ſeſe dilatat, do­
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              nec æqualis vtrimque ſit compreſſio; & hoc, ni fallor, longè faciliùs ſol­
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              vit argumentum illud ſupra adductum, petitumque ab intolerabili com­
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              preſſione, quæ ex tanta ponderis, aëris ſcilicet, gravitantis vi ſequeretur;
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              itemque illud ex eo ductum, quod in vertice altiſſimi montis aqua per
                <lb/>
              canaliculum minùs altè aſſurgeret, itemque tempore fluxus; nam vt dicam
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              quod res eſt, illæ tuæ reſponſiones, licèt diſſimularim, mihi plenè non fe­
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              cerunt ſatis. </s>
            </p>
            <p type="main">
              <s id="s.002162">
                <emph type="italics"/>
              Antim.
                <emph.end type="italics"/>
              </s>
              <s id="s.002163"> Fateor tuam illam longè faciliorem eſſe, cui etiam vltro ſub­
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              ſcribo: neque illud, quod aliqui afferunt, de lanæ cumulo cujus pars in­
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              ferior compreſſior eſt, quidquam negotij faceſſit; nec enim lana propriè
                <lb/>
              loquendo comprimitur; ſed tantùm extruditur aër inter lanæ filamina
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              contentus; neque hæc vera eſt compreſſio, ea ſcilicet, ex qua tantam vim
                <lb/>
              motus ſequi videmus: ſed tandem ad Mercurij fiſtulam venio. </s>
            </p>
            <p type="main">
              <s id="s.002164">Pulcherrimum fortè ac celeberrimum experimentum eſt illorum
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              omnium, quæ hoc currente ſæculo, ſub mortalium venerunt adſpe­
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              ctum: primus illius inventor fuit doctiſſimus Torricellus, vir certè,
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              quem inter principes hujus temporis Geometras iure annumero; qui
                <lb/>
              cùm à Galilæo aliquando audiiſſet, vel potiùs ab eo typis mandatum
                <lb/>
              legiſſet, aquam attolli non poſſe in Siphone, ſupra altitudinem 18.cubi-</s>
            </p>
          </chap>
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