Ghetaldi, Marino, Marini Ghetaldi Promotvs Archimedis sev de varijs corporum generibus grauitate & magnitudine comparatis

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            <s xml:id="echoid-s1017" xml:space="preserve">
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            affirmare ipſum vas eſſe plenum, niſi aqua incipiat effluere,
              <lb/>
            cum autem incipit, effluit aliquando totus ferè cumulus, ita-
              <lb/>
            que vel plus aquæ additur eo, quod deficit, vel minus, niſi
              <lb/>
            coniectura aſſequatur: </s>
            <s xml:id="echoid-s1018" xml:space="preserve">at vero coniectura pro veritate non ac-
              <lb/>
            cipitur. </s>
            <s xml:id="echoid-s1019" xml:space="preserve">præterea exempta corona, vel aurea maſſa, vel argen-
              <lb/>
            tea, eximitur etiam ſimul cum ipſa aliquantum aquæ, quæ cir-
              <lb/>
            cum ipſam remanet, atque huiuſmodi defectus errorem indu-
              <lb/>
            cit ſenſibilem.</s>
            <s xml:id="echoid-s1020" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1021" xml:space="preserve">Neque per collectionem quæſita aquæ menſura inueniri
              <lb/>
            poteſt:</s>
            <s xml:id="echoid-s1022" xml:space="preserve">æquè enim impoſſibile eſt vniuerſam illam æquam col-
              <lb/>
            ligere, quæ extra vas effluit, quando corona, vel aurea maſſa
              <lb/>
            vel argentea in ipſo vaſe deprimitur, cum enim aqua è vaſe
              <lb/>
            effluat, pars ipſius aquæ vaſi, ex quo effluit, pars vaſi in quod
              <lb/>
            influit adhæret, & </s>
            <s xml:id="echoid-s1023" xml:space="preserve">ſi vniuerſa omnino ſemper non colligatur,
              <lb/>
            erit non parui erroris cauſa, præter quam quod, non ſemper
              <lb/>
            adeo facile inuenitur par auri, argentique maſſa, quando co-
              <lb/>
            rona, vel alia auri maſſa, quæ examinanda proponitur, medio-
              <lb/>
            crem excederet magnitudinem.</s>
            <s xml:id="echoid-s1024" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1025" xml:space="preserve">Neque præterea poteſt diſcerni prædicta argenti portio in
              <lb/>
            aliqua auri parua maſſa, differentiæ enim aquarum, quæ ex-
              <lb/>
            tra vas effluunt, ſunt adeo exiguæ, vt ne cognoſci quidem
              <lb/>
            poſſint, quod ſi cognoſcerentur, non ſemper erunt veræ,
              <lb/>
            ſiquidem non ſemper in vaſis medio in cumulum creſcens
              <lb/>
            æqualis aquæ copia remanet, ſed maior interdum, inter-
              <lb/>
            dum minor, vt conſpicitur. </s>
            <s xml:id="echoid-s1026" xml:space="preserve">fit enim vt aliquando cumulus
              <lb/>
            ille frangatur pluribus in locis, & </s>
            <s xml:id="echoid-s1027" xml:space="preserve">ideo aqua diffundatur, vt
              <lb/>
            ferè nihil ipfius cumuli ſuperſit, aliquando vero frangatur
              <lb/>
            in vno tantum loco, & </s>
            <s xml:id="echoid-s1028" xml:space="preserve">aqua colligens ſe in cumulum, parum
              <lb/>
            diffluat.</s>
            <s xml:id="echoid-s1029" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1030" xml:space="preserve">Sed ponderandis corporibus in aere & </s>
            <s xml:id="echoid-s1031" xml:space="preserve">aqua, eo modo, quo
              <lb/>
            dictum eſt in fine exempli prop. </s>
            <s xml:id="echoid-s1032" xml:space="preserve">8. </s>
            <s xml:id="echoid-s1033" xml:space="preserve">inuenitur quæſita aquæ,
              <lb/>
            grauitas, ita exactè, vt requiritur, ſiue ſit corpus illud paruum,
              <lb/>
            ſiue magnum nihil intereſt, & </s>
            <s xml:id="echoid-s1034" xml:space="preserve">præterea facillima eſt operatio,
              <lb/>
            nec adinueniendæ ſunt auri, & </s>
            <s xml:id="echoid-s1035" xml:space="preserve">argenti maſſæ æque graues, </s>
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