Borelli, Giovanni Alfonso - De motionibus naturalibus a gravitate pendentibus

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

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1

Cap. 5. de ae
ris grauitate
æquilibrio,
ſtructura, &
vi elaterią
eius.

Cap. 5. de ae
ris grauitate
æquilibrio,
ſtructura, &
vi elaterią
eius.

PROP. CXXIV.

Si aeris minimæ particulæ eſſent coni excauati magnetica
virtute affecti, ſaluari poſſent symptomatæ condenſa
tionis violentæ, & ſpontaneæ eius ingentis
rarefactionis.

PRimò enim excogitaui artificium, quo ſuppoſi
tis aereis minimis particulis non flexibilibus,
poſſet nihilominùs fieri prædicta aeris ſpontanea di
latatio. Supponebam enim minimas aeris particulas
eſſe conicas, ſed excauatas: tunc quidem, cum vertex vnius
aerei coni poſſit intra cauitatem alterius inſinuari, po
teſt planè ſaluari illa compreſſio, quæ videtur incon
prehenſibilis aliquibus Philoſophis, quia enim pars
ſolida corporea, & plena prædictorum conorum po
teſt eſſe nedùm pars bis milleſima, ſed adhùc minor
ſpatio inani intra prædictos conos contento, nil enim
vetat corpus denſum, ac durum in graciliſſimas lami
nas extendi poſſe, à quibus coni excauati efformen
tur. ſed hic iam nodus difficillimę ſolutionis ſe offert,
qua, inquam ratione poſtquàm vnus

102[Figure 102]
conus intrà alium inſinuatus eſt, vim
facit ſe ab eo ſeparandi, procùl du
bio ijs vis quędam motiua aſſigna
ri debet, & hæc diuerſa non erit ab
ea, quæ in alijs corporibus terre
nis reperitur: concipiantur ergo conuli excauati aerei
ABC, DCE, FGH, IHL. & ſic alij innumeri eodem

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