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

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            <pb xlink:href="051/01/147.jpg" pagenum="116"/>
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              <s>
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              Poriſma II.
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              </s>
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              <s>SEquitur præterea, ſpatia quæ æqualibus temporibus evacu­
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              antur in dicto caſu, non eſſe æqualia, ſed ſecundum ſpatium
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              correſpondens ſecundo tempori, eſſe minus primo; & tertium
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              ſpatium correſpondens tertio tempori, minus ſecundo; & ſic de
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              cæteris. </s>
              <s>Vide ibidem. </s>
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            <p type="main">
              <s>
                <emph type="center"/>
              Propoſitio VII. Phænomenon VII.
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              </s>
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              <s>
                <emph type="center"/>
              Tubus altitudine quadrupedalis, cui pro baſis diametro
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              pedis Pariſienſis vncia, aquâ ſemper plenus, effundit per lumen
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              lineare in baſi ſitum aquæ libram ſpatio tredecim mi­
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              nutorum ſecundorum temporis.
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              </s>
            </p>
            <p type="main">
              <s>OBſervavit hoc Marinus Merſennus, ut aſſerit ipſe in Hydrau­
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              licis ſuis Phænomenis Propoſit. 1. </s>
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            <p type="main">
              <s>
                <emph type="center"/>
              Annotatio I.
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              </s>
            </p>
            <p type="main">
              <s>
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              VTitur autem Merſennus tam pede, quàm libra (heminam vocat ipſe)
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                <arrow.to.target n="marg208"/>
                <lb/>
                <emph type="italics"/>
              Pariſienſi. </s>
              <s>Et pedem quidem, uti in aliarum Nationum pedibus fie­
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              riſolet, dividit in duodecim æquales partes, quas uncias appellat; &
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              quamlíbet vnciam ſubdividit in alias duodecim partes æquales, quas
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                <arrow.to.target n="marg209"/>
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              ipſe lineas, alij ſcrupulos vocant. </s>
              <s>Vncia, ſeu duodecima pedis pars ap­
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              pellatur etiam pollex; ab aliquibus verò cum Merſenno digitus: rectiùs
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              tamen digitus eſt decima ſexta pars pedis, vt conſtat ex Vitruvio, Iulio
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              Frontino, Columella, & alijs apud Villalpandum tom.
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              3.
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              Apparatus
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              Part.
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              2.
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              lib.
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              3.
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              cap.
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              16.
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              </s>
            </p>
            <p type="margin">
              <s>
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                <emph type="italics"/>
              Pes dividi­
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              tur in vnci­
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              as
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              12.
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              & di­
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              gitos
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              16.</s>
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            <p type="margin">
              <s>
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              Linea eſt
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              duodecima
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              pars vncia.</s>
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            <p type="margin">
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              Minuti ſe­
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              cundi dura­
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              tio, quanta
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              ſit.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              Minutum ſecundum eſt ſexageſima pars unius minuti primi, ſeu
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                <lb/>
              3600.
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              pars vnius horæ, & proximè reſpondet lento arteriæ ſeu cordis
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              pulſui, ut Merſennus aſſerit.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Annotatio II.
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              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              NOn eſt neceſſe, ut baſis tubi quadrupedalis, quo fit obſervatio, ſit </s>
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            <p type="main">
              <s>
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              pedalis, aut uncialis, aut alterius determinatæ amplitudinis atque
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              capacitatis, ſed ſufficit quantalibet latitudo tubi, dummodò foramen ſit
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              lineare. </s>
              <s>Ratio eſt, quia; ut vidimus Propoſitione
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              2.
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              huius capitis, ea­
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              dem aquæ quantitas eodem, vel æquali tempore, fluit ex tubo ſemper
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              pleno quantum vis arcto, vel lato, dummodò foramen ſit lineare, & al-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
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