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# Title: Leibniz-Handschriften zur Mathematik LH 35, 11, 18C
# Folio 166v, page id 00068193:0338
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Sect. W. De Causa et Effertu activis.
siderandum probe est multum inter esse inter vim cuercendi
aerem DB vel DBC intra seatium in quo est compressus, et
inter vim redigendi iprum intra hoc spatium; Illa est aqt
lis pro magno aut parvo aere aequitento, haec non item. Nat
ut aer ea statu ordinario AB redigeretur intra DB, opas 
descena hydrargyri ex attitudine AC; sed ut aer F BE red
geretur intra spatium DBE. eodem, quo ante gradu compressu
l
nis, oportuit hydrargyrum descendere ea majori altitudine
c
FD. Coeterum si primo fuinet attitudo hydrargyri CD, set
adhibito embolo pro hydrargyro) minus pondus embolo ims
0
situm, non potuisset. huo aer coerceri intra hoc spatium
neque adeo haec obtineri compressio, licet des cendinet pondus et
altitudine quantacunque. Sane x vi impressi impetus pervet
set aer ad comprestionem adhue minorem, sed rettituens
se m minore tandem comprestione quievisset.
Frop. 23.
Posito calorem habere eandem vim dilatandi conpor.
quam habet Elastrum condonsationis; pondera materias aqu.
hum condensationum coercentia, erunt ut calores.
Nam si duae sint portiones aeris (exempli gr.) eaque aequi
liter densae, una calidior altera, perinde etet (ea hyp.) ac h
una prius aeque densa, mox fieret altera densior in ea ratio
ne m qua est revera ealidior; in qua ratione autem etset den
por, mea ratione augeri debet pondus coercens (per praecet.
pondera ergo coercentia sunt ut calores.
Gde
op. 24.
Eodem poscto pondera coircentia sunt n ratione con
posita densitatum et calorum.
Demonstratur ex prop. 22. et 23: eodem prorsus modo un
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