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

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              <s id="s.000191">
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              Cap. 3. flui­
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              dum in ſuo
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              toto quie­
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              ſcens pon­
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              derat.</s>
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              <s id="s.000193">
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              PROP. XV.
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              Alia ratione, & experimento probare compresſionem par­
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              tium aquæ, & rerum in ea contentarum à pon­
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              dere ipſiuſmet aquæ.
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                <emph.end type="center"/>
              </s>
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            <p type="main">
              <s id="s.000195">SIt fiſtula vitrea RVX vndique clauſa
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              in ſupremo orificio R, hæc verò aqua repleatur,
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              & in ea ampullula vitrea AD immerga­
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              tur ſitque ea plena aere, & eius pars ver­
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              ſus infimum orificium apertum D graui­
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              or ſit, ad hoc vt ampullula AD ſemper
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              inuerſo ſitu in ipſa aqua perſiſtat. </s>
              <s id="s.000196">in hac
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              machina obſeruatur quòd vexica vitrea
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              AD quò magis deprimitur infra ſupre­
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              mam aquæ libellam, vel potiùs ipſamet
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              aqua altiùs infunditur, & eleuatur, tune
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              eò magis aer in ampulla contentus con­
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              denſatur,
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              in minori ſpatio conſtrin­
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              gitur, & hoc fenſu ipſo patet dum aquą
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              ingreditur per orificium D atque colli
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              ampullæ particulam aliquam implet; quod verò hu­
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              iuſmodi aeris reſtrictio ſit effectus ponderis aquæ ſu­
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              premæ comprimentis ſenſu ipſo dignoſcitur,
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              quò
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              magis aquæ ſuprema ſuperficies S eleuatur versùs R
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              ſemper magis, ac magis ſucceſſiuè aeris moles præ­
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              dicti tubuli conſtringitur ſubintrando nimirùm aqua
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              magis à C versùs B. </s>
              <s id="s.000197">Quòd verò hoc dependeat à
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                preſſione</expan>
              multiplicati ponderis aquæ ſubleuatæ alià </s>
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