t 305 ] 
„j_ V — X, See. eritque motus verus, five s = w 
+ F fin. —s 4- G x fin. — s 4- H x fin. -^-s 4- I 
X fin. ~s -' r , &c. vel, quia parum admodum differt 
motus verus a motu medio s =: w 4- F x fin. — w 
' n 
+ Gx fin. ~ 'zu H x fin. — w 4- I x fin. — w 4-* 
n 1 n • n 1 
&c. E. I. 
Coroll. I. 
His ita generatim definitis, ut fpecialis eliciatur in 
motu cujufpiam planets insqualitatum menfura, de- 
terminands funt quantitates afiiimpts. 
Itaque planeta P defignet Terram, planeta QJVe- 
nerem, et quoniam eft diftantia Terrs ad diftantiam 
Veneris a Sole ut 100000 ad 72333, hsc erit ratio 
i ad 1, adeoque k — -VL-V 4 T °-, kk 1 — tt 
2.91 129, b — ~ 0.94975 ; atque inde per me- 
thodum in Prop. I a . expofitam prodibunt 
R ~ 9 - 39 2 5 V ~ 11,1964 Y = 5.3380 
S ■===. 16.6782 W ~ 8.8504 Z 4.1029 
T — 13.8877 X — 6.9045 Sec. 
Turn, exiftente periodo Terrs annua dierum 
365.2565, et periodo Veneris dierum 224.701, eft 
ex jam di&is 71 
365.2565 
- =2.59866; 
365.2565 — 224.701 
et cum gravitas in Solem fit juxta Newtonum ad gra- 
vitatem in Terram, paribus diftantiis, ut 1 ad 
erit 0 — ! 
f i 0 y x $ 
Vo l. LI1, 
Rr 
Unde 
