a first Approximation to the Orbit of a Comet , 
I next put ^ = 0*52 ; then 
= o*3994j^ • • • log. 9*6014733 
9-8007366 
log. = 9*4022099 
log. ^ = 9 85008 8 
f - = 0-597298 
0-29004 1 
V = 0-377429 
]f = 0-132481 
= 1*774678 . . . log. 0*2491196 
log. a = 0-1245598 
i + i 
r*— 
6* 
-\ . — = 1- 
' 12 a* 
02121 
46* 
6* — ^ X i'02iai = -1- 0.001037. 
By comparing the two errors, we shall get o — 0’5i74; which 
must be substituted ; then 
f ’- = 0-40075 . . . log. 9 6028735 
9-8014367 
log. r»’ = 9.4043102 
log- e' = 9'84783^ 
^ 597907 
== 0-291041 
V = 0-378822 
= 0-131304 
1*777896 . . . log. 0-2498820 
log. a = 0*1249410. 
If we interpolate 1-02059 and 1-02121, which correspond 
MDCCCXIV. B b 
