Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670
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              Cap. 6. non
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              dari attracti­
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              onem.</s>
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              <s id="s.001439">Tranſeo iam ad aliud argumentum adductum pro
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              confirmatione attractionis: Sit DEF vas oblongum̨
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              mercurio plenum,
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              fiſtula vi­
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              trea vtrinque aperta AB, & immerga­
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              tur intra vas DF, quouſque ſupremum
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              eius orificium A demergatur infra li­
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              bellam mercurij E;
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              applicetur digi­
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              ti pulpa ſupremo orificio fiſtulæ A, vt
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              arctè claudatur. </s>
              <s id="s.001440">Iam ſi ſummitas fiſtu­
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              læ A vnà cum claudente digito eleue­
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              tur, percipitur manifeſta attractio di­
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              giti pulpæ, quam ſuprema mercurij ſu­
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              perficies tangit, hæc (inquiunt) vio­
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              lentia procùl dubio efficitur à pondere
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              ſubiecti mercurij,
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              reuerà digitus, &
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              manus ſuſtentare debeat pondus prædicti mercurij,
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              non ſecùs, ac ſi vncino aliquo digito annecteretur,
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              hinc deducitur quòd detur in rerum natura facultas,
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              & operatio attractiua, & ſi hoc verùm eſt (inquiunt)
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              quare in cucurbitulis ſimilitèr abſque funibus, aut
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              vncinis non poteſt ſimilis attractio fieri? </s>
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              Aliud argu­
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              mentum
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                tra</expan>
              ſuperius
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              adductam do­
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              ctrinam.</s>
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              PROP. CXXXII.
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              In fiſtula vtrinque aperta mercurio plena digito ſupernè ob­
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              turata, & infernè intra
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              demerſa, licèt videa­
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              mur percipere in digito ſenſum ſuctionis, & ponderis
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              mercurij ſustentati, tamen verè grauamur à cy­
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              lindro aereo ſupra vnguem incumbente, & ſu­
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              ctio pulpæ digiti à defectu presſionis aeris
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              dependet.
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