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

Table of figures

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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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              <s id="s.001141">Vtque hæc experientia commodè exequi poſſet
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              efformaui fiſtulas vitreas ſextam, & ſeptimam deli­
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              neatas folio 43. libri experimentorum noſtræ Aca­
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              demiæ Experimentalis Mediceæ, ſed poſtea facilio­
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              ri apparatu idipſum conſequi poſſe animaduerti me­
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              diante hoc inſtrumento, eſtque eius artificium hu­
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              iuſmodi: ampullæ vitreæ AB cuius diameter proximè
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              quatuor digitos adæquet
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              prælonga fiſtu­
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              la BC maiore duorum cubitorum, quæ inflexa ſit iņ
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              eius infimo loco CEF, atque in ſupremo loco eius A
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              continuetur quoque ſtricta alia fiſtula AD cuius ex­
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              tremum ſupremum orificium apertum D claudi poſ­
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              ſit poſt mercurij infuſionem ſuilla veſica; poſtea ter­
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              minus extremus alterius fiſtulæ FG vniatur cum al­
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              tero extremo fiſtulæ incuruatæ appoſitis colligatiſ­
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              que portionibus inteſtini agnini, quæ ne rumpantur
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              diffringantur que à nimio mercurij pondere pariter
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              operiantur fiſtula, vel digitali coriaceo, atque arctè
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              alligatis inteſtinis, & corio vtriſque extremitatibus
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              fiſtularum, poterit facilè fiſtula FG inflecti ſursùm,
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              & deorsùm poſt mercurij infuſionem, eriganturquę
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              perpendiculariter ad horizontem ambæ fiſtulæ DB
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              C, & GF. </s>
              <s id="s.001142">His præparatis per orificium D infundatur
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              hydrargyrum quouſque duæ fiſtulæ BC, FG, & am­
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              pulla AB, repleantur, relinquaturque ſpatium ſupre­
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              mæ fiſtulæ ID aere plenum, arctè poſteà claudatur
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              ſupremum orificium D ſuilla veſica; tandèm flecta­
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              tur deorsùm fiſtula collateralis FG, ab eius ſupremo
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              ore G profluens mercurius excipiatur vaſe MN, </s>
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