Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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            cum adhuc Cardinalis eſſet, mihi, quæ ſua erat hu-
              <lb/>
            manitas, libros eiuſdem Archimedis de ijs, quæ ve-
              <lb/>
            huntur in aqua, latine redditos dono dedit. </s>
            <s xml:space="preserve">hos cum
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            ego, ut aliorum ſtudia incitarem, emendãdos, & </s>
            <s xml:space="preserve">cõ-
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            mentariis illuſtrandos ſuſcepiſſem, animaduerti dubi
              <lb/>
            tari non poſſe, quin Archimedes vel de hac materia
              <lb/>
            ſcripſiſſet, vel aliorum mathematicorum ſcripta per-
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            legiſſet. </s>
            <s xml:space="preserve">nam in iis tum alia nonnulla, tum maxime
              <lb/>
            illam propoſitionem, ut euidentem, & </s>
            <s xml:space="preserve">aliàs proba-
              <lb/>
            tam aſſumit, Centrũ grauitatis in portionibus conoi
              <lb/>
            dis rectan guli axem ita diuidere, vt pars, quæ ad verti
              <lb/>
            cem terminatur, alterius partis, quæ ad baſim dupla
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            ſit. </s>
            <s xml:space="preserve">Verum hæc ad eam partem mathematicarum
              <lb/>
            diſciplinarum præcipue refertur, in qua de centro
              <lb/>
            grauitatis corporum ſolidorum tractatur. </s>
            <s xml:space="preserve">non eſt au
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            tem conſentaneum Archimedem illum admirabilem
              <lb/>
            virum hanc propoſitionem ſibi argumentis con-
              <lb/>
            firmandam exiſtimaturum non fuiſſe, niſi eam vel
              <lb/>
            aliis in locis probauiſſet, vel ab aliis probatam eſſe
              <lb/>
            comperiſſet. </s>
            <s xml:space="preserve">quamobrem nequid in iis libris intel-
              <lb/>
            ligendis deſiderari poſſet, ſtatui hanc etiam partem
              <lb/>
            vel à veteribus prætermiſſam, vel tractatam quidem,
              <lb/>
            ſed in tenebris iacentem, non intactam relinquere;
              <lb/>
            </s>
            <s xml:space="preserve">atque ex aſsidua mathematicorum, præſertim Archi-
              <lb/>
            medis lectione, quæ mihi in mentem venerunt, ea in
              <lb/>
            medium afferre; </s>
            <s xml:space="preserve">ut centri grauitatis corporum ſoli-
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            dorum, ſi non perfectam, at certe aliquam noti-</s>
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