Casati, Paolo, De igne dissertationes physicae, 1686

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              <pb o="58" file="0070" n="70" rhead="Diſſertatio Tertia."/>
            telligo, ſi etiam priùs erat eorundem cylindrorum aëriorum cum
              <lb/>
            maioribus cylindris Mercurialibus & </s>
            <s xml:id="echoid-s1889" xml:space="preserve">eâdem vi elaſticâ aëris, æqui-
              <lb/>
            librium; </s>
            <s xml:id="echoid-s1890" xml:space="preserve">eadem enim grauitas inæqualibus grauitatibus æqualis
              <lb/>
            eſſe nequit.</s>
            <s xml:id="echoid-s1891" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1892" xml:space="preserve">Quoniam verò aliquid ſimile contingit, ſi loco Mercurij aqua
              <lb/>
            ſiphoni infundatur, & </s>
            <s xml:id="echoid-s1893" xml:space="preserve">aër in ſuperiorem ſiphonis inuerſi curua-
              <lb/>
            turam ſe recipiat (hoc diſcrimine, quod aqua ex ſiphone minore
              <lb/>
            digitis 400 non exit, quia tanta non eſt aquæ grauitas, vt eius
              <lb/>
            vi aër diſtrahatur, atque rareſcat) elato enim vaſe altero aquam
              <lb/>
            continente, in crure illo aqua aſcendit, & </s>
            <s xml:id="echoid-s1894" xml:space="preserve">in oppoſito deſcendit;
              <lb/>
            </s>
            <s xml:id="echoid-s1895" xml:space="preserve">propterea vtrobique, ſiue Mercurius ſit, ſiue aqua, eadem eſt
              <lb/>
            ratio. </s>
            <s xml:id="echoid-s1896" xml:space="preserve">Quia nempe in elato vaſe crus ſiphonis magis immergitur,
              <lb/>
            & </s>
            <s xml:id="echoid-s1897" xml:space="preserve">aquæ aut Mercurij ſupereminentis cylindrus minuitur, dum im-
              <lb/>
            moto reliquo vaſe oppoſiti cruris cylindrus eandem obtinet altitu-
              <lb/>
            dinem: </s>
            <s xml:id="echoid-s1898" xml:space="preserve">ideò hic longìor & </s>
            <s xml:id="echoid-s1899" xml:space="preserve">grauior cum ſit, præualet, atque
              <lb/>
            deſcendens ſecum rapit proximum aërem, & </s>
            <s xml:id="echoid-s1900" xml:space="preserve">cum aëre aquam aut
              <lb/>
            Mercurium alterius cruris; </s>
            <s xml:id="echoid-s1901" xml:space="preserve">quapropter ille cylindrus ſupra com-
              <lb/>
            moti vaſis ſuperficiem augetur, hic minuitur vſque eò, dum al-
              <lb/>
            titudinum perpendicula ſint æqualia; </s>
            <s xml:id="echoid-s1902" xml:space="preserve">& </s>
            <s xml:id="echoid-s1903" xml:space="preserve">idcirco quantùm alter fit
              <lb/>
            breuior deſcendendo, alter fit longior aſcendendo: </s>
            <s xml:id="echoid-s1904" xml:space="preserve">ſi tamen hæc
              <lb/>
            breuitas aut longitudo non ſimpliciter & </s>
            <s xml:id="echoid-s1905" xml:space="preserve">abſolutè accipiatur, ſed
              <lb/>
            comparatè ad ſuperſiciem ſubiecti vaſis; </s>
            <s xml:id="echoid-s1906" xml:space="preserve">nam in vaſe immoto dum
              <lb/>
            liquor ex ſiphone deſcendit, ſuperſicies attollitur, & </s>
            <s xml:id="echoid-s1907" xml:space="preserve">in vaſe elato
              <lb/>
            ſuperſicies deprimitur, quæ ſuccreuerat, cum vas attolleretur, & </s>
            <s xml:id="echoid-s1908" xml:space="preserve">
              <lb/>
            maiorem ſip honis partem reciperet.</s>
            <s xml:id="echoid-s1909" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1910" xml:space="preserve">At quando ſiphonis crura longiora digitis 30 omnino repleta
              <lb/>
            Mercurio conuertuntur, & </s>
            <s xml:id="echoid-s1911" xml:space="preserve">in ſubiecta vaſa apertis oſculis vſque
              <lb/>
            adeò defluit Mercurius, dum in vtroque crure obtineat ſtatam al-
              <lb/>
            titudinem dig. </s>
            <s xml:id="echoid-s1912" xml:space="preserve">30, ſi alterum vas attollatur, minuitur altitudo cy-
              <lb/>
            lindri Mercurialis, ideòque ſpiritus ille per vim rarus (quiſquis il-
              <lb/>
            le ſit) qui Mercurium ſuſpendit, inueniens hinc minorem graui-
              <lb/>
            tatem ſe contrahit, illumque altiùs rapit; </s>
            <s xml:id="echoid-s1913" xml:space="preserve">neque propterea di-
              <lb/>
            mittit oppoſiti cruris cylindrum, vt tantundem deſcendat, quia
              <lb/>
            iam ſpiritus ille nihil lucraretur, ſed eadem ſpatij menſurâ deſi-
              <lb/>
            nitus æqualem ac priùs violentiam ſubiret æqualiter diſtractus;
              <lb/>
            </s>
            <s xml:id="echoid-s1914" xml:space="preserve">neque eundem oppoſiti cruris cylindrum ſurſum attrahit ad maio-
              <lb/>
            rem altitudinem, quia conſtitutum violentæ ſuſpenſionis termi-
              <lb/>
            num dig. </s>
            <s xml:id="echoid-s1915" xml:space="preserve">30 tranſilire nequit; </s>
            <s xml:id="echoid-s1916" xml:space="preserve">ideò ille immotus manet. </s>
            <s xml:id="echoid-s1917" xml:space="preserve"/>
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