in order to afcertain the height of Mountains. 541 
Cornparifon of the JirJl feries on the Mole, 
Obfervation at the top at 3. 
Barom, N° 2. 
above at c. 
In. Pts. 
24.1437 
Dorre& for tbe Diff. of the 1 1 gg 
two attached therm. 3°.4, J 
Barometer at the top, 24. 1 525 
■ — below, — ■ 28.1253 
Difference, or fall of thel 
Therm. 
attached. 
o 
57-o 
Therm* 
detached* 
54-8 
Lost. 
Log; 
6 . 3829621 
4490971 
f approx, height in 
quickfilver, - ) 3-97*8 Diff. of Log. 661.350 j fathoms> 
Correct for i8°.6 of heat, • — — » 4- 27.431 
Corre£led height in fathoms, — • 
688.781 
x 6 
Height in feet by the barometer — > 4132.686 
^ by the geometrical meafurement, 42 1 1 .3 
Difference, or error of the barometer, 
78.6 — 
Obfervation below at i . 
Barom. N° i. 
below at 1. 
In. Pts. 
28.1205 
Correal for the diff, 1 ___ 
of barometer, j 
28,1253 
Therm. Therm, 
attached, detached* • 
° o 
60.4 61.9 
54.8 heat at 3* 
58.3 mean heat. 
39.7 flandard temperature 
4- 18.6 difference* 
Com- 
