Vt as 
V z30:r* 
Wc 4e ch 
V, 230 f*. 
V, 30 r* 
Viizsigorrt 
et generatim V. zz 30 7". 
igitur log. V, z log. 3o 4- 7» log. r. 
Haec fi ità ésfent logarithmi virium elasticarum 
procederent ratione arithmetica, cujus ratio es- 
fet zz log. r. Sedrnonestconftans , cum ratio 
decrescat, decrescit igitur et log. 7, reprefente- 
mu$ hoc decrementum per fehiem hujus formae 
am-d-bms-d-c:m-4....eterit 
log. V, —log. 30 4- 244 4- à m A cm 4. 
Hae: conftantes 2, 5, c etc., facile determi- 
nantür, per fequentes conditiones ex tabula pe- 
titas. ^ Si: 
1,250. 
5-25 b 
: "zm 50 V. 2355,59. 
go 75 V. z 0,910. 
lide labentor fequentes aequationes 
log. 11,250 — log. 3o Z2 25 4 4» 625 b M» 15625c 
log. 3,500 — log. 30 — 30 4 -I- 2500 5 4- 125000 c 
log. 0,910 — log. 30 — 75 4 4- 5625 b -- 421875. c 
i.e. — 0,4259687 Z2 25a-4- Ó655b- 15625c 
—. 0,0330532 — 50 4 -I- 2500 5 -I 125000 c 
— 1,5180799 Z2 75 4 -t- 5625 b 4e 421875 c 
unde 4 — -— 0,01537411750 
- b —— — 0,0009674315t 
€ ZZ 4- 0,0000000359$ 
qui- 
