116 
$ = 1.2168675r = 
0.82178217 
<P 
S r 
— = 1.5538461t = , 
cc 0.6435644 ’ 
= { 1 + 0.643 S 644(^p O - 5697O4 \{l + 
0.8217822 
0 } ■ 
— 1.276923 
■e) 
Ideoque , cum sit ex theoremate binomial! 
(l + O .6435644 j 
— 0.5697042 
I — 0.3666413 ^ + 0.1851016 ^ —0.1020881 + <£c. 
fiet tandem multiplicatione peracta 
1 + 0.4551408 — 0.1161077 j — i. 27 6 9 23i ( ^ J 
£=/ T 7 e ' T (58) 
+ 0.0500990 + t isc. 
g. 49. 
Expositis autem sic copiose sane , quæ utcunque pro- 
babili refractionum sive Astronoinicarum , sive Terrestrium 
theoriæ fundamenti loco substernantur principiis physicis, 
