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

Table of figures

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[181. Figure]
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[183. Figure]
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              <s id="s.001321">
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              diſrumpat, atque terebret: hoc autem nulla rationę
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              fieri poſſet, niſi aer haberet vim, & facultatem̨
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              ingentem ſeſe dilatandi, & amplius ſpatium̨
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              occupandi. </s>
              <s id="s.001322">Cùm igitur iam ex ſuperiùs dictis inno­
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              tuerit ad quamnam maximam amplitudinem aer ra­
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              refieri, dilatarique poſſit, pariterque ad quem gra­
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              dum conſtipationis,
                <expan abbr="condenſationiſq;">condenſationiſque</expan>
              comprimi va­
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              leat, & vidimus quòd eadem aeris moles, quæ in ſua
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              maxima condenſatione fuit redacta occupabat minus
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              quam bis milleſimam partem ſpatij, quod in maxima
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              ſui dilatatione explebat, dicendum eſt aerem in ſua
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              naturali conſtitutione, ideſt remota omni violentią
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              externa, ampliſſimum ſpatium exigere, & in tali qui­
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              dem
                <expan abbr="expãſione">expanſione</expan>
              conſeruari in ſuprema aeris regione,
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              vel in ſpatio vacuo, at in regione infima aeris propè
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              aquam, & terram tunc quidem varijs modis compri­
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              mitur, cùm à pondere aeris incumbentis, tùm à pon­
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              dere aquæ aut terræ in infimis cauitatibus, aut à qua­
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              cumque alia vi motiua ad prædictam maximam con­
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              ſtipationem redigitur. </s>
              <s id="s.001323">Sic videmus in inſtrumento
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              Torricelliano aeris granula ad latera mercurij poſi­
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              ta, dum ſursùm aſcendunt quò magis ad mercurij
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              ſummitatem
                <expan abbr="accedũt">accedunt</expan>
              , eò magis moles aereorum gra­
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              nulorum augeri, quouſque propè ſpatium inane ſu­
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              premum ingentes ſphęras expleant: idipſum immiſſa
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              veſica cyprina propemodum exinanita intra mercu­
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              rium obſeruatur, & clariùs mercurio ſuperpoſita a­
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              quæ portione conſpicitur in eodem inſtrumento,
                <expan abbr="">nam</expan>
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              granula aerea intra aquam
                <expan abbr="contẽta">contenta</expan>
              , quæ hactenùs ob </s>
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