in order to afcertain the height of Mountains. 543 
Comparifon of the third Series. 
Obfervation at the top at 3. 
Therm. Therm, 
attached. detached. 
o o 
56.0 56.0 
o 57.5 W 
Barom. N° 2. 
above at 3. 
In. Pts. 
24.1670 
Correa for the diff. of the 1 
two attached therm. 4°9. J I2 ? 
24.1797 
28.1278 
Log. 3834509 
Log- 449 r 35 8 
Difference, or fall of the 1 
quickfilver, 
Gorreft for I9°8 of heat, — — 
j 3.948 1 DiCof Log. 656.849 { A S ^ Sht 
Correal height in fathoms, — 
Height in feet by the barometer, 
by the geom. method, 
Difference, or error of the barometer. 
4- 29.0 
685.849 
x 6 
4 1 1 5*°94 
421 1.3 
96.2 — 01 
Obfervation below at i * 
Barom. N° 2. 
Therm. 
below at 2. 
attached. 
In. Pts. 
~ 28.1320 
Correa for the diff. 1 
60.9 
of the barometer,. J 42 
28.1278 
Therm. 
detached. 
62.0 
56.0 heat at 3. 
59.5 mean heat. 
39.7 ftandard temperature, 
19.8 difference. „ 
. (f ) In tW * : «>tomn for the detached thermometer at the toppf the mountai 
d t.ie following obfervations, are inferted two numbers; the upper 01 
expreffing the heat in the lhade; and the lower one, with this mark © prefix* 
at 1.1 the Sun. The computation, however, is made .from the forme 
tbis may ierve to fhew the difference. 
Com - 
