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

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      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="051/01/102.jpg" pagenum="71"/>
              dum tenue vaſis incurvetur, ac tandem frangatur. </s>
              <s>Hinc deni­
                <lb/>
              que eſt, quòd dum partes aquæ ſuperiores premuntur, & partes
                <lb/>
              inferiores non habent effugium aut infrà, aut è latere vaſis, rum­
                <lb/>
              patur potiùs vas, quàm partes inferiores comprimantur. </s>
              <s>Vide
                <lb/>
              quæ dicimus infrà parte 2. Claſse 1. cap. 5. Machina 6. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg141"/>
                <emph type="italics"/>
              Premi actu,
                <lb/>
              & premi
                <lb/>
              aptitudina­
                <lb/>
              liter, quid
                <lb/>
              ſit.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Proprietas VI.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Aquæ in ſitu naturali poſitæ vna pars non
                <lb/>
              expellit alteram.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>PAtet experientia. </s>
              <s>Et ratio eſt, quia vna non premit alteram,
                <lb/>
              vt dictum in præcedenti Proprietate. </s>
              <s>Quòd ſi in vaſis con­
                <lb/>
              jugatis altior aqua pellit minùs altam, cauſa eſt, quòd non ſit
                <lb/>
              poſita in ſitu naturali, quia ſcilicet non habet omnes partes æ­
                <lb/>
              què diſtantes à centro Mundi. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Proprietas VII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Non omnes aquæ æquales magnitudine, ſunt
                <lb/>
              æquales pondere.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>SUnt enim ſalsæ graviores dulcibus, & frigidæ calidis eiuſdem
                <lb/>
                <arrow.to.target n="marg142"/>
                <lb/>
              ſpeciei, ſeu individui; & tam ſalsæ, quàm dulces, aliæ alijs gra­
                <lb/>
              viores ſunt, vt patet experientia, & fatentur etiam nautæ, vi­
                <lb/>
              dentes naves è fluminibus impuris ad pura, aut è mari ad flumina
                <lb/>
              transeuntes ſubſidere profundiùs, & ſubinde cum ſubmerſionis
                <lb/>
              periculo. </s>
            </p>
            <p type="margin">
              <s>
                <margin.target id="marg142"/>
                <emph type="italics"/>
              Aqua ſalsa
                <lb/>
              frigida, im­
                <lb/>
              pura, gra­
                <lb/>
              vior eſt
                <expan abbr="quã">quam</expan>
                <lb/>
              dulcis &c.
                <emph.end type="italics"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Proprietas VIII.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Aqua naturaliter non aſcendit ad locum altio­
                <lb/>
              rem ſuâ origine.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="italics"/>
              IMò nec fluit naturaliter ab vno ad alterum locum, niſi terminus à quo
                <lb/>
              altior ſit, quàm terminùs ad quem.
                <emph.end type="italics"/>
              </s>
              <s>Vtrumque patet experientiã,
                <lb/>
                <arrow.to.target n="marg143"/>
                <lb/>
              & ſequitur ex dictis Proprietate I. & II. </s>
              <s>Hinc Hydragogi aſſe­
                <lb/>
              runt, non poſſe deduciaquam de loco in locum, ſive per alveum,
                <lb/>
              ſive per aquæductus, canales, ac tubos deducenda ſit, ſi ſpatium
                <lb/>
              ſit æquilibratum, ſeu ad libellam conſtitutum; nec ſufficere
                <expan abbr="Ma-thematicã">Ma­
                  <lb/>
                thematicam</expan>
              , aut quam cunque phyſicam declivitatem, ſed requiri
                <lb/>
              in ſingulis milliaribus cadentiam ſeu declivitatem quatuor ad </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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