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

Table of figures

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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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              Cap. 12. dę
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              vacui neceſ­
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              ſitate.</s>
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              PROP. CCLIII.
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              Iiſdem poſitis ſi præterea infimum syringæ orificium infra
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              mercurium in catino contentum mergatur, retracto em­
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              bolo mercurius aſcendet non ob vacui metum, ſcd impul­
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              ſus à pondere columnæ aquæ collateralis.
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              <s id="s.002741">SI deinde in fundo putei RSTV ponatur catinum
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              MNO hydrargyro plenum, infra cuius libellam
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              MO orificium infimum C ſyrin­
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              gæ immittatur, tunc paritèr re­
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              tracto embolo EFG mercurius
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              in ſyringa CD aſcendet,
                <expan abbr="">non</expan>
              qui­
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              dem ſponte ad replendum va­
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              cuum, ſed impulſus à maiori
                <expan abbr="põ-dere">pon­
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                dere</expan>
              columnæ aqueæ AB, & eò
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              vſque mercurij eleuatio perſe­
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              uerabit, quouſque fiat æquili­
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              brium inter momentum aquæ, &
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              mercurium, ſcilicèt ſi altitudo columnæ aqueæ AB
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              fuerit 18. cubitorum, oportet, vt altitudo æquè am­
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              plæ columnæ mercurij ſit cubitorum duorum, & ſe­
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              mis proximè, & hæc eſt ſumma altitudo ad quam̨
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              mercurius in prædicta syringa eleuari poteſt, at ſi vl­
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              terius vi manus embolum ſubleuetur, perſiſtet tamen
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              perſeuerabitque mercurius in priori illa altitudine,
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              & potius
                <expan abbr="ſpatiũ">ſpatium</expan>
              exinanitum, ideſt
                <expan abbr="abſq;">abſque</expan>
              mercurio, &
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                <expan abbr="abſq;">abſque</expan>
              aqua, & aere relinquet, quàm mercurius
                <expan abbr="pilũ">pilum</expan>
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              fubleuetur. </s>
              <s id="s.002742">& hinc
                <expan abbr="nedũ">nedum</expan>
              deducitur, quod mercurius
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              aſcendit quatenus, & quouſque impellitur ab oppo­
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              ſito pondere fluidi AB, ſed præterea conſtat, quòd
                <expan abbr="">non</expan>
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