Schott, Gaspar, Mechanica hydraulico-pneumatica. Pars I. Mechanicae Hydraulico-pnevmaticae Theoriam continet. , 1657

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                <pb xlink:href="051/01/161.jpg" pagenum="130"/>
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              duodecies; continebit quadratum pedis quadrata digiti
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              144.
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              ac proinde
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              baſis pedalis baſim digitalem centies quadragies quater continebit, vt
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              diximus in Propoſitione.
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            <p type="margin">
              <s>
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              Merſenni
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              obſervatio
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              in tuborum
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              evacuati­
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              one.</s>
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            <p type="main">
              <s>
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              Annotatio II.
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            <p type="margin">
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              P. Pauli Ca­
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              ſati dubita­
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              tio contra
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              Merſenni
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              obſervatio­
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              nem.
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              </s>
            </p>
            <p type="main">
              <s>
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              ACutiſſimè notavit hîc P.Paulus Caſatus in cenſura huius Operis, poſ­
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              ſe dubitari de veritate huius Propoſitionis
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              14.
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              & poſſe aliquem ſuſpi­
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              cari, an experimentum allatum à Merſenno ſit in gratiam Propoſitionis
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              confictum.
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              </s>
              <s>Ratio dubitandi eſt,
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              inquit,
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              quia quo tempore par­
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              vulus tubus AB exhauritur, ex maiori tubo ABCD effluit maior
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              aquæ quantitas eodem tempore, quia ſcilicet effluit in progreſſu
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              maiori velocitate ex maiori, quàm ex minori: nam in majore
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              tubo eſt maius aquæ perpendiculum in progreſſu. </s>
              <s>Fac enim in
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              minori deſcendiſſe ſemiſſem; aquæ altitudo eſt ſolùm dimidia
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              totius altitudinis: fac ex majori eodem tempore deſcendiſſe æ­
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              qualem aquam, hoc eſt (quia maior ad minorem eſt ut 9. ad 1.)
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              (1/18) totius aquæ; ergo remanet altitudo aquæ in majori (17/18) totius
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              altitudinis; ergo plus aquæ effluet vbi maior eſt velocitas ratione
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              maioris perpendiculi. </s>
              <s>Debet igitur hæc ratio conciliari cum
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              experimento; & opus eſſet oſtendere, quomodo, licet id veri­
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              ficetur in priotibus cylindrulis aquæ effluentibus, tamen maior
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              illa velocitas priorum compenſentur maiori tarditate poſterio­
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              rum qui habent minus perpendiculum. </s>
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            <p type="main">
              <s>Hocidem dicitur de Propoſitione 16, in qua conſideratur
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              columna vt duodecupla minoris, nulla habita ratione quòd in
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              progreſſu deſcenſus fiunt altitudines valde inæquales: neque vi­
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              detur valere illa argumentatio, facta præciſione per intellectum;
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              nam ſermo eſt de re prout à parte rei. </s>
              <s>
                <emph type="italics"/>
              Hæc P. Caſatus. </s>
              <s>Nolui ego
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              in dubium revocare experimentum Merſenni, quoniam id nefas exiſti­
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              mavi; nec experimenti cauſam indagare, ac multò minùs demonſtra­
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              tionem afferre, quoniam id ad propoſitum meum nihil conducit. </s>
              <s>
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              Ratio tamen huius rei ſine dubio refundenda eſt in illam,
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              quam ipſemet Caſatus inſinuavit.
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              </s>
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