Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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quales eleuationes, proindeque non oſtendent exa
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ctam libellam horizontalem. </
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<
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tieſcumque fiſtulæ prædictæ non fuerint ab codem̨
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gradu caliditatis rarefactæ, nempè ſi vna à ſolaribus
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radijs illuſtretur, reliqua verò in loco vmbroſo, aut
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magis frigido degat. </
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ſales inæqualitèr diſtributi fuerint in vtroque canali
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culo, nunquam præcisè organum prædictum veram̨
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libellam indicabit. </
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curium in prædicta fiſtula incluſerimus, non effugie
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mus omnes difficultates, nec in ſumma certi eſſe poſ
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ſumus numquam in operationibus erraſſe quanta. </
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fili alicuius tenuis craſſities; proindè conducit labo
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rioſam hanc machinam relinquere, & more antiquo
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regulis normalibus cum funependulo libellam hori
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zontalem exquirere. </
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Cap. 9. de
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corpuſculo
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rum
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tium</
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mutuo
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amplexu at
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que fuga.</
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De Æquitemporanea naturali velocitate grauium
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corporum.
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CAP. X.
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<
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">QVia in quolibet motu intra fluidum facto reſi
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ſtentia exercetur, & proindè debilitatur gra
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dus impetus naturalis quo mobile ferri deberet, ſe
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quitur quòd gradus velocitatum non impediti, ſcili
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cèt in vacuo, qui naturalitèr competunt corporibus
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grauibus, neceſſariò celeriores, & vehementiores
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ſint ijs, qui in medijs fluidis
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: ſed
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">non</
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proin
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dè infinitæ velocitatis, & impetus erunt, habebunt </
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