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

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              <s id="s.002289">
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              rias vibrationes ſurſum atque deorſum, ſiſtat in C, ſi dum notabili ſe­
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              gmento eſt, infra C, admoveatur digitus in B, ac deinde fiſtula invertatur,
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              longè majore vi & pulpa digiti in tumorem attollitur, & ſanguis exugi­
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              tur; idem tamen aëris pondus gravitat: vnde igitur diverſus effectus?
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              </s>
              <s id="s.002290">certè à materia tenſiore in ſegmento CD contenta; ſi enim tenſior eſt,
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              majore vi trahit; & digiti pulpam ad ſe adducit; ſic arcus tenſior ſagittam
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              longiùs ejiculatur: & verò amoto illo vacuo, & in ejus locum materia
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              illa tenſa ſubſtituta, cuncta hæc facilè explicantur. </s>
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            <p type="main">
              <s id="s.002291">
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              Auguſtin.
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              <s id="s.002292"> Sic etiam facilè explicarem aliud experimentum prædicti
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              Autoris, qui exhauſto aëre ex recipiente, dicit, operculum illius alioquin
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              leviſſimum, graviſſimum ſentiri, propter pondus aëris externi ſuperimpo­
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              ſitum; hic tamen effectus aëri externo tribui non debet ſed aëri interno
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              valde tenſo ac dilatato, nempe cùm operculum illud attolli non poſſit, niſi
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              aër internus vltra dilatetur, huic majori tenſioni valde reſiſtit; co­
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              gita quæſo arcum tenſum, qui non niſi longè majore vi vltra tendi
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              poteſt. </s>
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            <p type="main">
              <s id="s.002293">
                <emph type="italics"/>
              Antim.
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              </s>
              <s id="s.002294"> Diceret haud dubiè ſupra laudatus Autor, intra pulpam
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              digiti multas eſſe partes, quæ ſemota preſſione ambientis erumperent,
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              & liberiorem ſortitæ motum, maximam inducerent mutationem; at
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              profectò nihil tale ſenſi; ſed tumorem dumtaxat illum; nec pulſus ratio
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              mutatur; vno verbo nihil accidit, quod exuctioni validæ tribui non poſ­
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              ſit: equidem ſi digitus arctè funiculo ſtringatur, ſupra illam extremita­
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              tem, quæ ori B, affigitur, propter majorem ſanguinis vim in eo tractu
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              retenti, impeditur enim circulatio, major etiam ſanguinis copia exugi­
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              tur: ſi quis autem totam manum in ſegmentum CD immitteret, ita vt
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              tamen nullus aër ſubire poſſet, ſimilem quidem, majorem tamen dictæ
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              exuctionis effectum ſentiret, non ſine aliquo periculo manus intumeſ­
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              centis, vt alicui accidiſſe intelligo: Alligavi deinde extremo digito ve­
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              ficam cyprinam, quæ ſtatim inverſa fiſtula intumuit; item medullam
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              ſambuci, & fruſtulum ſpongiæ, ſed in his nulla mutatio contigit,
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              aperti enim ſunt laxiores pori, per quos aër educitur & dilatatur;
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              ex præmiſſis igitur certum reſtat, ſegmentum CD vacuum non re­
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              ſtare; quo verò corpore plenum ſit, paulò poſt dicam. </s>
              <s id="s.002295">Ad aliam
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              partem tranſeo, in qua dicebatur ſegmentum Mercurij IC, ſuſtinerià
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              Cylindro aëris ejuſdem baſis, ita vt perfectum ſit vtrimque æquibrium;
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              contra hanc ſententiam nonnulla militant, quæ ſincerè vobis exponam.
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              </s>
              <s id="s.002296">Primò, Si appendatur fiſtula BD, poſtquam ſubducto digito, deſcendit
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              Mercurius in IC, ſtatera fideli adhibita, & ſignetur ponderis ratio, ac dein­
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              de citra Mercurij deſcenſum, eadem fiſtula cum æquali quantitate Mercu­
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              rij appendatur, eadem ratio ponderis invenietur, paulò major ; æqualem
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              quantitatem Mercurij intelligo ſegmento IC ; & dico paulò majorem ;
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              nempe immerſum ſegmentum fiſtulæ IB ad primum pondus nihil confert;
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              immò potiùs aliquid detrahit; quia Mercurio levius eſt; ſed mihi ſufficit,
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              modo vtrinque proximè æqualis ſit ratio ponderum, qualis reverà eſt, vt
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              ſæpè probavi: Ex hoc autem experimento ſic mihi rectè ratiocinari videor; </s>
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