220 DE Causa PaysicA FLUxXUS 
Eftautem L Logarithmus quantitatis a J/ = ; adeo- 
€ 
3 
POELE 
c5 
sat 
que æqualis c + 
7 
: + ne ; &c. per Methodos no- 
. PR c3 À c$ c7. 
tifimas , adeoque L — c — de PPT 7 &c. Unde-eft 
2c? 4 6c$ L—cXxad 
V'adA ,ut = + SE 7 eo OC: ad D TN A 
154% 35a* ci X 247 + b? 
£ : 2 c? 4 c4 6 c$ 2a?+b? 
ad + 4+38B vel Gut + 4 2, 8. ad 
x2abL—bRL+æc—2abe. 
Verüm fi 7 fit admodum exigua Le an gravitatis G 
(ut in præfenticafü ) erit differentia femidiametrorum C 4, 
CB ad femidiametrum mediocrem quam proximè ut 15 7 
ad 8 G, vel pauld accuratiüs ut15 Ÿ ad8G— 572 x 77 
Sit enim ut in Cor. 2. Prop.LLa=d+x,b—d—x»x, 
adeôquec?=—4—b—4 4x ,eritque 4: B::2abxL—c:a? 
c—b L: HE + &c.: ++ _; pere &c. i. e. ut. 
sa’ 7 a 15 a? 354 
ee = 6 dx? x d— d+x dxxd 
x 4dxxd mn x — , &c.ad di EC 5 
3 + sxd+x 7 Xd+x 3 15.X dæ4+ x? 
RUE RER 
—— , &c. adeoque (negleëtis terminis, quos 
35X*d+x 
plures dimenfiones ipfus x ingrediuntur ) ut? d+ 2x: 
+d+#x. Proinde erit B— 4 ad B+ A(—2G)::x: 
s d+18x,& B—A:G::2x:5d+ 18 x. Sed per Cor. 
2. Prop. Leftxaddut B— 4+3VadB+4—2, 
adeoque fubftituendo valores quantitatum B— 4&B+ A, 
., 2Gx 
X : HU du — - —: 
eritx : d :: res 31 :2G— 20, Unde 2G x —2/a 
2Gdx+1SVd+ sav x 
rs D 20 10Gdx—1o0d°x+ 36 Gxx 
—36Vxx—2Gdx+is Vd+5$s4 0x, & terminis 
omiflis ubi reperitur x x , erit 8 Gdx —64 Vx—1s 4 
atque x :d::157:8G—6407, & 2xaddutis 7 ad4G 
—.32V, Afcenfus igitur totius aquæ i. e. differentia femi- 
diametrorum C4, CB ( vel 2 x) eftad femidiametrum me- 
diocrem , ut 15 77ad' 8 G quam proximè ; facile autem erià, 
