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

List of thumbnails

< >
191
191 		192
192
193
193 		194
194
195
195 		196
196
197
197 		198
198
199
199 		200
200
< >
page |< < of 203 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="051/01/200.jpg" pagenum="169"/>
              ſolubile.) </s>
              <s>Dico, I eſſe foramen quæſitum. </s>
              <s>Quoniam enim
                <lb/>
              aqua C ad aquam G, eſt ut E ad H; & aqua G ad aquam
                <lb/>
              I, eſt ut H ad F, ex conſtructione & operatione facta; erit
                <lb/>
              ex æquo etiam aqua C ad aquam I, ut E ad F, per vige­
                <lb/>
              ſimam ſecundam Quinti Euclidis. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              CAPUT VI.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              De Aëris gravitate, rarefactione, &
                <lb/>
              condenſatione.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>QUoniam in Pneumaticis ac Hydropneumaticis Ma­
                <lb/>
              chinis magni refert, aëris naturalis pondus ſeu gra­
                <lb/>
              vitatem, rarefactique ac condenſati quantitatem ae
                <lb/>
              vires cognoſcere; de ijs nonnihil parergi loco ad­
                <lb/>
              dendum hîc cenſui. </s>
              <s>Sit itaque </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Propoſitio I.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              Aëris gravitatem invenire.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>TAmetſi aêr levis ſit inter reliqua elementa, ſuaque levitate
                <lb/>
                <arrow.to.target n="marg283"/>
                <lb/>
              ſurſum tendat, ut ſit ſupra terram & aquam; admixtum
                <lb/>
              tamen habet aliquid gravitatis. </s>
              <s>Patet ex eo, quòd folles lu­
                <lb/>
              ſorij aëre addenſato bene inflati, ut & veſicæ inflatæ, plùs pon­
                <lb/>
              derent, quàm flaccidi, ut exquiſita trutina aut libra deprehen­
                <lb/>
              di poteſt. P. Joannes Baptiſta Ricciolus Tomo 1. Almgeſti
                <lb/>
              Novi lib. 2. cap. 5. num. 4. ait expendiſſe ſe veſicam bovinam
                <lb/>
              quæ flaccida erat ſcrupulorum 4, & granorum 4, & deprehen­
                <lb/>
              diſſe inflatam fuiſſe ſcrupulorum 4, & granorum 6. </s>
              <s>Quare
                <lb/>
              aër additus per inflationem, appendebat grana 2. Marinus
                <lb/>
              Merſennus in Phænomenis ſuis Propoſit. XXIX. aſſerit, ſe Geo­
                <lb/>
              metris præſentibus & adjuvantibus, ponderaſſe bilance Æo­
                <lb/>
              lopilam æneam (qualem deſcribimus infrà Parte 2. Claſſe 1. cap. 3.
                <lb/>
              Machina 6.) ſatis calefactam, & propemodum candentem, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum