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

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      <text>
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            <p type="main">
              <s>
                <pb xlink:href="051/01/083.jpg" pagenum="52"/>
              nec poſtremam ipſius manum expertum, vt habetur initio libelli
                <lb/>
              in præfatiuncula ad Lectorem. </s>
              <s>Eſt autem in Commandini te­
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              xtu ac ſchemate inſignis error in eo, quòd clavicula R trans­
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              mittit aquam quæ eſt in ABEF intra baſim EFCD per aper­
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              tum ſolùm foramen ſine tubulo, qui paulò longior ſit quàm tu­
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              bulus OX; quod tamen omnino requiritur, vt diximus paulò
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              antè §. IV. & cauſam dabimusintrà Protheoria IV. cap. 2. Pro­
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              poſit. 14. experientia ſiquidem conſtat, cylindrum aquæ per fo­
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              ramen
                <expan abbr="deſcendentẽ">deſcendentem</expan>
              (ſi quandoque deſcendit aëre ſuccedente)
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              in aêre libero non habere eandem vim, ac deſcendentem per
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              tubum; tametſi vtrobique ſit eadem aquæ quantitas, cum eodem
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              perpendiculo. </s>
              <s>Cauſa eſt, quia ſi liberè & ſine tubo defluit a queus
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              cylindrus,
                <expan abbr="ſignũ">ſignum</expan>
              eſt aërem ſubintrare; ſi aër ſubintrat, ceſſat me­
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              tus vacui, ac proinde aqua debet elevari vt
                <expan abbr="laborãti">laboranti</expan>
              Naturæ ſuc­
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              currat. </s>
              <s>Quòd ſi tam ſtrictum eſt foramen, vt aër ſubintrare non
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              poſſit, nè gutta quidem aquæ effluet, vt experientia quotidiana
                <lb/>
              docet, idque propter vacui metum. </s>
              <s>Hunc tamen errorem ego
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                <arrow.to.target n="marg112"/>
                <lb/>
              nequaquam Heroni adſcribendum putem, vt Porta facit, ſed
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              exiſtimo Heronem produxiſſe tubulum R ferè vſque fundum
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              CD; ſic enim major erit quàm tubulus XO, & aqua per ipſam
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              R decideus habebit perpendiculum præponderans perpendi­
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              culo aquæ ſeu olei aſcendentis per XO. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg111"/>
                <emph type="italics"/>
              Heronis lo­
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              cus apud
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              Comman­
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              dinum men
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              doſuæ.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg112"/>
                <emph type="italics"/>
              Heronis er­
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              ror excuſa­
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              tur.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>Similis error reperitur apud Heronem cap. 36. vbi docet
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              ſatyriſcum conſtruere ſuper quadam baſi, vtrem in manibus
                <expan abbr="te-nentẽ">te­
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                nentem</expan>
              , cui adiacet labellum; vt infuſo in labellum humore, ita
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              vt repleatur, aqua per vtrem in idem labellum in fluat, & non ſu­
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              perfundatur, quòusque tota per vtrem aqua evacuata fuerit. </s>
              <s>Ex
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              qua quidem conſtructione deſumpta eſt praxis conſtruendi fon­
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              tem Heronis, de quo infrà Parte 2. Claſse I. cap. 2. Machi­
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              na 1. 2. & 3. vbi errorem Heronis detegemus;
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              ſi tamen Heronis eſt, & non In­
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              terpretis. </s>
            </p>
          </chap>
        </body>
      </text>
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