Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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punctum conuenientes ſummam octo ſolidorum an
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gulorum rectorum numquam, vel rarò complere poſ
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ſe videantur; veluti aceruus, & cumulus arenæ, aut
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tritici concipi non poteſt abſque eò quòd ſpatiolą
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innumera inter grana prædicta intercipiantur, quæ
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ſpatiola augeri, & reſtringi poſſe experientia con
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ſtat, quatenùs ſuccuſſo modio meliùs, & ſtrictiùs
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granula accommodari poſſunt. </
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datur alicubi partes ætheris omninò ſpatium imple
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re, ſaltem poſt eius agitationem, & commotionem̨
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vacua ſpatiola creari debere conſtat, vt dictum eſt;
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cùmque eadem partium diſpoſitio perſeuerare poſ
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ſit in ſubſequenti quiete eiuſdem fluidi ætherei, per
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ſeuerabunt quoque poroſitates illæ vacuæ. </
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Cap. 12. dę
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vacui neceſ
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ſitate.</
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<
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">Huiuſmodi porrò vacua ſpatiola intra corporą
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mundana diſperſa, & diſſeminata præclarum vſum̨
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habent in natura, non minùs ac pori, qui in plantis, &
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animalibus reperiuntur; ſicuti enim per eos effluere,
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& penetrare poſſunt exhalationes igneę, ſucci, & alia
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corpuſcula, à quibus viuificantur, nutriuntur, & cre
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ſcunt, ita per inanes mundanorum corporum poroſi
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tates effluuia ignea lucida, & alia innumera pene
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trando rerum naturalis ordo, & periodus conſerua
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tur. </
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<
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betur facilis, & perceptibilis modus quomodo cor
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pora fluida, mollia, & flexibilia fluere, cedere, &
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flecti poſſint, & quomodo ſecari, diuidi, condenſa
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ri, & rarefieri queant, ſine quibus hæ omnes operati
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ones nullo modo percipi, & explicari poſſint. </
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