Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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reæ L, quæ priùs æquè rara erat cum ſuo ambientę,
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ſed tribui de bet portioni aereæ A, quæ inſinuata eſt
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in eodem ſpatio L, in quo reliqua pars aeris contine
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batur; Poſtea quia HE eſt pondus molis aquæ PQ,
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quæ ęqualis eſt moli BA
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LCF, & EO eſt
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põdus
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mo
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lis aquæ RS æqualis inte
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græ pilæ contuſæ BLCF; i
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gitur differentiale pondus
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HO pertinet ad
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aquã
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VX,
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nẽpè
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ad
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differẽtiã
">differentiam</
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aquę PQ
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ſupra RS, quę æqualis eſt
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aeri A inſinuato intra
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ſpa-tiũ
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tium</
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L; igitur habemus duo
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corpora inter ſe æqualia mole
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aqua VX, & aer
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A, horum autem pondera abſoluta, ex Archimedę,
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eamdem proportionem habent, quam eorum gra
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uitates in ſpecie; igitur pondus HO ad OM ſiuę
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ad ei æquale EN, eamdem
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proportionẽ
">proportionem</
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habet,
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quã
">quam</
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grauitas in ſpecie ipſius aquæ ad grauitatem ſpecifi
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cam aeris, reperta autem fuit EN grauitas molis ae
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ris A ob contuſionem inſinuati intra L, igitur neceſ
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ſariò pondus HO tribui debet aqueæ moli VX. ſi po
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ſtea ſumatur moles aquæ Y ad quam aquæ moles VX
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eamdem proportionem habeat, quam HO ad OM,
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patet eamdem grauitatem habere aquam Y ac aer A.
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<
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">His demonſtratis referam iam experimentum factum
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in noſtra Academia experimentali Medicea; pon
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dus in aere totius pilæ, & aeris BALCF fuit GE gra-</
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