Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="id.000500">
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              bracchiola ſtringant, reuinctumque contineant ac
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              eiuſmodi cætera? </s>
              <s id="id.000501">An licet quoque intelligi ſucci­
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              num, ceram obſignatoriam, electricaque cætera ideò
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              attrahere feſtucas, filamenta, papyracea fragminula,
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              ſimileiſque alias leuiculas res; quòd pinguem ex ſe
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              halitum emittant, conſtantem ex radiolis, quiretum
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              porulos ſubeuntes, pari ratione deflectantur, & quaſi
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              decuſſentur, reſque ipſas verſus id, vnde proflu­
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              xerunt, diuergere faciant, premant, compellant,
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              perducant; deſumpto indicio vel ex eo, quòd ele­
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              ctrica iſta corpora non trahant, niſi priùs affricta ve­
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              ſti, tapeti, alij verei; vt eo ſcilicet affrictu excitetur,
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              exſiliatque pinguis halitus, ſuam quaſi prædam re­
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              portaturus? </s>
            </p>
            <p type="main">
              <s id="id.000502">XV. </s>
              <s id="id.000503">Quorſùm verò iſta tam multa? </s>
              <s id="id.000504">Nimirùm
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              vt intelligamus, quomodo eſſe in Terra poſſit ma­
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              gnetica vis, qua corpora omnia, quæ dicuntur gra­
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              uia, trahantur deorſùm, perpendiculariterve in ip­
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              ſam. </s>
              <s id="id.000505">Ac eſſe quidem in ipſa Terra aliquam eiuſmo­
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              di vim, confirmari aliunde melius, quàm ex effectu
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              ipſo non poteſt; quare, vt quæ eſt in magnete, non
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              aliunde, quam ex ipſa ferri attractione conuincitur;
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              ita, quæ eſſe in Terra ſupponitur, non aliunde, quàm
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              ex attractione lapidum, cæterorumque poteſt con­
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              uinci. </s>
              <s id="id.000506">Quod ad modum verò attractionis ſpectat,
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              idem plane dicendum eſt, proportione tamen ſer­
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              uata, quod de magnete iam diximus. </s>
              <s id="id.000507">Subijcio pro­
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              inde veriſimile eſſe, quemadmodum virtus magne­
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              tis ita in orbem diffunditur, vt corpuſcula radioſè
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              exſilientia tantò rariora fiant, quantò procedunt </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>