Himavava Mounrarns. 3aF 
By spherl. Trig. 4. And sine » = sine ? sine Z, or « f =f? sine Z, 
"Therefore 
5. f= ad Lf + A*sine2Z Tange. L. 
Cos. Z 2%, 
r being the radius of the spheroid. 
Thus we have d L = 5308 = 3188 Log. 3°503,518 
f. 000,344 
fect in 1 of lat—30 931 Log. of (Table 1), 2-004,401 
Cos. Z 3 25 05 Ar. Co. 
0:000,773 
Approximate value > 322,620 5°509,036 
f Ar. Co. 999,656 
eAS 1-018 
Sine *Z, . 7-550 
. Tang. L, 9°775 
Zr Ar. Co, 2°679 
“$10 =~ 1-024 
3 == 322,630 feet. 
Havine thus determined the distance, the next point is tosettle the value 
of the angles. But before entering on this subject, it is necessary to give 
some, short account of the stations, and the several reductions made in the 
1. The Chit 
is a mountam which divides the province of Sirmor from Jiébal, elevated 
_ observed angles, to what is termed the centre of the station. 
nearly 12000 feet above the sea, and covered for a considerable period of 
the year withsnow. Itisthe highest part of a great ridge or chain of 
mountains, running for a considerable distance, and easy to be traced. 
“The signal, which was a pyramid 40 feet m height, built of the trunks of 
