530 Sir george shuckburgh’s Obfervations 
Comparifon of the fecond Series. 
Obfervation at the top of the mount at c. 
Correct for the Diff. of 
the two attached therm, 
Barometer at the top, 
- below, — 
Barom. N° 2. 
Therm. 
Therm. 
above at e. 
attached. 
detached. 
In. Pts. 
0 
0 
27.7025 
734 
64.0 
.1 -50 
25.6975 
Log. 4098908 
28.3901 
Log. 4531669 
Difference, or fall of the \ , -r^rr r r f approx, height in 
quickfilver, - ) 2.6926 MTof Log. 43 * 75 * { £ ng i ifh feW. 
Corre& for 28°.8 of heat, — — 4- 27.787 
Corre&ed height in fathoms, — — 
Height in feet by the barometer — 
■ — by the trig* method, — 
Difference, or error of the barometer 
4 6 °. 53 8 
x 6 
2762.228 
2831.3 
— 68.i 
Obfervation below at a. 
Barom. N° 1 
below at a. 
In. Pts. 
28.3940 
Correa for the diff. 1 ___ 
of barometer, S 39 
Therm. Therm, 
attached, detached. 
0 /■ 
71.6 
28.3901 
7 3 -° , 
64.0 heat at c e 
68.5 mean heat. 
39.7 ftandard temperatures 
4- 28.8 difference. 
A detached thermometer in the tent flood at 69°. 
During thefe obfervations the wind was S.W.; the 
weather hazy, accompanied with a little thunder.. 
Cont 
