Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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          <chap>
            <p type="main">
              <s>
                <pb xlink:href="018/01/034.jpg" pagenum="26"/>
              lùm pars vicies millies milleſima grauitatis
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              totius AB.
                <emph type="italics"/>
              S
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              ecundi autem vectis DF gra­
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              uitas percipitur in M ſecundùm partem ſui
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              bis millies milleſimam. </s>
              <s>Tertius ſecundùm
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              partem ducenties milleſimam; & ſic dein­
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              ceps, donec vltimus MR grauitet in M ſe­
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              cundùm ſuæ grauitatis ſemiſſem. </s>
              <s>Hinc eſt
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              quod quamuis primus vectis AB valdè craſ­
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              ſus eſſe deberet, atque adeò grauis, vt pon­
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              dus valeret ſuſtinere, conſequentes tameņ
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              vectes minores, ac minores, quod ad craſſi­
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              tudinem ſpectat, requirerentur: ac proinde
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              eorum momenta in M ſimul ſumpta noņ
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              eſſent adeò multa. </s>
              <s>Ponamus itaque facoma­
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              te in N exiſtente fieri æquilibrium cum ve­
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              ctibus horizonti parallelis. </s>
            </p>
            <p type="main">
              <s>His ita conſtitutis dimittantur vectes, vt
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              ferè quantùm poſſunt deſcendant: & in Gad­
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              nectatur pondus. </s>
              <s>Vel fortaſſe opportunius
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              erit, ſi BF habeat in B annulum, cui inſeri
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              poſsit extremum vectis AB; vectis enim ex
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              annulo extractus ſolus deprimitur, quantum
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              poteſt, & pondere in C adnexo, aliâ machi­
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              nâ tractoriâ tantiſper eleuatur, dum poſsit
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              iterum annulo B inſeri. </s>
              <s>Niſi fortè commo­
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              dius alicui accidat ita machinam conſtruere,
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              vt iacens pondus illi adnectatur, deinde ma­
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              china ipſa æqualiter eleuetur, vnde fiat vt </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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