in order to ascertain the height of Mountains. 545 
Comparifon of the fifth feries. 
Obfervations at the top at 3. 
Barcm. N° 2« 
above at 3. 
In, Pts. 
24.1840 
Corre£t for the difF. of the 1 
2 attached therm. 2 0 . 8, J + '3 
Therm. 
attached. 
59-6 
Therm. 
detached. 
o 
57 -° 
0 59-3 
24.1913 
28.130S 
Log. 
Log. 
3 8 3 6 592 
4491820 
Difference, or fall of the 1 „ cr q 1 approx, height in 
quickfilver, j 3-9395 D«ff. of Log. 655.228 J ^ thom6j » 
Correct for 20°. 8 of heat, — — -f 30.391 
Corre£t height in fathom. 
Height in feet by the barometer, 
— by the geom. method, 
Difference, or error of the barometer, 
686.619 
x 6 
4 1 i 3 * 7 i 4 
4 * 11-3 
- 97.6 - 
TO TO T » 
Obfervations below at i. 
Barom. N° i. 
Therm. 
Therm. 
below at 1. 
attached* 
detached. 
In. Pcs. 
o 
O 
28.1350 
62.4 
64.0 
r. 1 
j —42 
57.0 heat at 3. 
60.3 mean heat. 
28.1308 
39.7 flandard temperature. 
-f- 20.8 difference c 
Vol. lxvii. 
4 b 
CQv/I— 
