Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              <s id="s.001341">
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              in aere reperitur, nec talis hypotheſis vt impoſſibilis
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              reprobari poſſet, cum reuera & terra, & corpora om­
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              nia terrena magneticam vim habere manifeſtum ſit,
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              in quibus prædicta operatio neceſſariò ſequeretur,
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              poſita
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              prædicta figuratione in particulis ma­
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              gneticis. </s>
              <s id="s.001342">Poſſent aliunde omnia alia phænomeną,
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              quæ in aere obſeruantur ſaluari ex prædicta hypo­
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              theſi, igitur concedi ea deberet ſaltem vt poſſibilis. </s>
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            <p type="margin">
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              Cap. 5. de ae
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
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            <p type="margin">
              <s id="s.001344">
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              Cap. 5. de ae
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              ris grauitate
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              æquilibrio,
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              ſtructura, &
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              vi elaterią
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              eius.</s>
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              PROP. CXXV.
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            <p type="main">
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              Meliùs aeris proprietates ſaluantur ſi eius minimæ particu­
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              læ ſint duræ flexibiles, & reſilientes ad modum ma­
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              chinæ, habeantque figuram tubi, vel cylindri
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              excauati compoſiti ex laminis, vel filis
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              læuibus, aut ramoſis obliquè in ſe
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              ipſos circumductis.
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              <s id="s.001347">HAnc tamen hypotheſim poſtea reiicere accura­
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              tiùs conſiderata; ſuppoſui enim tubulos ali­
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              quos graciliſſimos multis modis componi poſſe ex
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              materia reſiliente ad modum machinæ. </s>
              <s id="s.001348">Primò ſuppo­
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              ni poſſunt tubuli conflati ex tenuiſſima laminula iņ
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              ſe ipſam circumducta, & continuata, quæ paritèr
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              machina ſit flexibilis, & poſt compreſſionem reſilire
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              valeat, vt contingit in arcu compreſſo. </s>
              <s id="s.001349">hinc ſaluari
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              poteſt maxima illa aeris condenſatio quam patitur à
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              vi externa comprimente, quia nimirùm perimetrum
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              internum fiſtulæ licèt ſemper eiuſdem menſuræ ſit,
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              tamen minorem capacitatem continentèr acquirit, </s>
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          </chap>
        </body>
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