Casati, Paolo, Terra machinis mota : dissertationes geometricae, mechanicae physicae hydrostaticae

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1quàm 14 ad 11, minorem verò quàm 284
ad 223: igitur vt 14 ad 11 ita 1/6 ad (11/14) maio­
rem vero; & vt 284 ad 223, ita 1/6 ad (223/1704) mi­
norem vero.
Inuentæ quantitates (11/14) & (223/1704) re­
ducantur ad eandem denominationem, &
ſunt (78744.18732/143136), differentia autem eſt 12 parti­
cularum; & ſumpto medio Arithmetico ſo­
liditas cylindruli dati eſt (18738/143136), hoc eſt (3123/23856). Si
igitur medulla ſambucea, cuius ſoliditas eſt
dig. (3123/23856) habet pondus gran. 3, medullą,
cuius ſoliditas eſſet dig. (40 5/27), haberet pondus
gran. 920. Ignis itaque leuitas in aëre ſi tan­
ta fuerit, quanta eſt medullæ ſambuceæ gra­
uitas, erit gran.——920, quorum 5425 eſt
grauitas aquæ ſecundum molem æqualis.

Ergo ſi aquæ grauitas in aëre 5425 dat ignis
in aëre leuitatem——920, aquæ grauitas 5 1/3
dat ignis leuitatem——(4906/5425); quæ ſi addatur
leuitati aëris in aqua——5 1/3, erit leuitas ignis
in aquâ ſaltem——(6 258/1085). Et id quidem, Gul­
dine, tuà methodo: quanquam ægerrimè
mihi perſuadeo tantulam leuitatem eſſe igni
tribuendam.
Gal. Vtinam non adeò vorax ignis eſſet,
& pateretur ſe vaſculo concludi: veſtram̨
hanc litem momento dirimerem librà, quam
aliquando excogitaui ad examinandam cor-

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