i8 
UNDERGROUND TEMPERATURE. 
OBSERVATIONS IN SHAFTS OR WELLS. 
Name of Shaft or Well. 
Surface 
Temp. 
Greatest 
Depth 
in feet. 
Temp. 
Read F. 
Feet per 
Kentish Town Well, ist series... 
49 ° 
1100 
70 ° 
52-4 
,, 2nd ,, 
49 ° 
1 100 
69°7 
55-6 
W.B. Lead Mines, Northumber- 
land — 1st, Gin Hill Shaft ... 
45°-3 
400 
5 i °-3 
66 ’6 
2nd, High Underground Engine 
Shaft... 
44 ° *3 
00 
0 
65° *4 
40 
3rd, Slitty Mine... 
44 ° *3 
660 
640-9 
337 • 
OBSERVATIONS IN BORE-HOLES. 
Name of Bore. 
Surface 
Temp. 
Greatest 
Depth. 
Temp. 
Registered. 
Feet per 
i" F. 
Blythswood 
354 
53°’6 
South Balgray, west from Glas- 
gow ... 
525 
59° -3 
41 
Crawriggs, Kirkintilloch, near 
Glasgow 
34 ° 
350 
510. 
75 
Bore at bottom of South Hutton 
Colliery, Derby 
1924 
96° 
Winderley, near Lincoln, ... 
50° 
2000 
79 ° 
69 
Booth Waterworks, Liverpool 
■750 
56° 
131 
La Chapelle, Paris 
530, 
i 
1950 
75 * 4 ° 
84 
