Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670
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              <s id="s.000197">
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              clariori experientia percipitur, ſi enim abſque noua
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              aquæ in fuſione in fiſtula aliqua breui, vel pollice, vel
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              ſubere comprimatur aqua orificium R attingens ſta­
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              tìm apparet effectus prædictæ compreſſionis aquæ,
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              condenſatur enim, acſtringitur aer in vitrea ampul­
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              la AD eodem modo præcisè, ac maior mo­
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              les altioris aquæ eleuatæ faciebat, eſtquę
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              huiuſmodi compreſſio acris in prædictą
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              ampullula tantæ energiæ vt exiſtente ea le­
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              ui, ſcilicet quæ ſponte ſua ſurſum in aquą
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              SX aſcendat poſſit è contrà
                <expan abbr="leuitatẽ">leuitatem</expan>
              amit­
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              tere, atque acquirere grauitatem, moueri­
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              que, ac deſcendere deorſum,
                <expan abbr="quotieſcumq;">quotieſcumque</expan>
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              aqua in fiſtula ad tantam altitudinem ele­
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              uetur vt valdè comprimere ampullulæ aerem poſſit,
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              vt eam grauem reddat, nec vt hactenùs ſursùm, ſed
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              deorsùm vergat deſcendatque. </s>
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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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              PROP. XVI.
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              Alia ratione grauitatem aquæ ſuper aquam quieſcentis
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              demonſtrare.
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              <s id="s.000201">HOc deducitur ex eo quòd corpora, quæ ob ex­
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              cedentem eorum grauitatem demerguntur in­
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              fra aquam minùs grauitant in ipſa aqua, quàm iņ
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              aere, vt ſi fuerit pila AB ferrea ſpecie grauior quàm
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              ſit aqua ipſa in vaſe RO contenta, & concipiatur IK
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              vt pondus abſolutum pilæ ferreæ AB, ſcilicèt expri­
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              mat eam grauitatem quam in aere exercet, ſit que eius </s>
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