[ 45 * ] 
But if we would inqu re the time when it role 
achronically, in the proper fenfe of the word, wc 
have, in the figure here, 
EAL the ecliptic, JE A 
the equator, C D a portion 
of a fecondary of the eclip- 
tic perpendicular to E A L, 
A C the diftance of the point 
of oblique afcenlion from the 
autumnal interfedtion = 31° 
48 ; we have like wife the 
angle CAB the obliquity of 
die ecliptic, = 2 2 ° 29' 
, and the an° 
;le fE C H the 
height of the equator at Athens, = fi° 
— ACB. 
Then Tan. BAC 
0 / // 
23 29 00— 
— 9 . 63797<>3 
— Rad. + cof. A C 
31 48 00— 
9.929364I 
Cot. A C D 
69 44 00— 
- 9 T<> 73 20 + 
— A C B 
71 77 00 
Sine DC B 
17 49 00— 
— 948y6820 
Cof. BAC 
23 29 00— 
— 9.9624727 
Sum 
1944.81347 
— Sine A C D 
69 44 00— 
- 9.972 2448 
Cof. ABC 
107 24 27— 
94778899 
Then Cof. BAC 
23 29 CO — 
9.9624527 
— Rad. + Tan. A C 
31 48 00— 
— 9.7924IOI 
Tan. A D 
, 2 9 ?7 37 - 
— 9774862 8 
L 
1 1 2 
Sine 
