DE. JOULE ON SOME THEEMO-DYNAMIC PEOPEETIES OP SOLIDS. 
129 
Deflection in minutes by 
compressing with 7 lbs. 
Deflection on 
removal of com- 
pressing force. 
Deflection in minutes 
by stretching with a 
force of 7 lbs. 
Deflection on 
removing the 
tensile force. 
-6 
— 2 
0 
-4 
+ 1 
+ 2 
-4 
— 2 
— 1 
— 2 
— 8 
— 1 
— 1 
0 
-2 
+ 1 
0 
+ 1 
— 3 
+ 1 
— 4 
+ 3 
— 3 
— 4 
-6 
-3 
— 4 
0 
+ 6 
0 
-2 
+ 2 
+ 2 
+ 1 
-6 
— 2 
— 1 
0 
+ 1 
+ 2 
0 
+ 2 
+ 1 
— 2 
-3 
— 1 
0 
— 3 
— 1 
0 
+ 1 
— 4 
— 4 
0 
0 
-6 
0 
+ 6 
— 5 
— 1 
-3 
— 1 
— 1 
+ 4 
0 
0 
— 2 
— 1 
-6 
0 
0 
+ 3 
— 1 
0 
0 
+ 5 
-3 
— 1 
+ 4 
+ 3 
! —3 
+ 5 
-10 
— 1 
1 -4 
-2 
-4 
+ 7 
+ 3 
+ 5 
— 5 
— 3 
! +3 
+ 3 
- 5 
+ 4 
1 —2 
0 
+ 4 
+ 1 . 
i —1 
+ 4 
-5 
— 1 
' 0 
+ 5 
+ 1 
— 1 
0 
+ 8 
-6 
+ 3 
; +4 
0 
— 2 
+ 1 
-2 
-1 
0 
+ 4 
; +2 
+ 4 
— 3 
+ 1 
; -1 
+ 4 
-3 
+ 3 
+ 2 
+ 3 
-2 
+ 1 ! 
—1 
+ G 
+ 4 
+ 4 
+ 2 
+ 6 
+ 2 
+ 4 
-2 
+ 1 
+ 6 
+ 6 
— 5 
-2 
+ 3 
+ 7 
— 2 
+ 1 
-6 
-1 i 
^1 
+ 1 
+ 2 
-1 i 
— 3 
-2 
+ 2 
+ 4 1 
— 4 
-3 
0 
+ ^ i 
— 4 
+ 2 
-2 
+-1 1 
- 4 
0 
+ 2 
+ 2 
+ 1 
1 +4 
— 1 
0 
0 
+ 2 
-2 
+ 2 : 
0 
+ 6 
-2 j 
— 4 
0 
1 -1 
0 
0 
+ 4 
+ 1 
+ 3 i 
— 7 
— 1 
— 1 
-h2 : 
-6 
+ 1 
— 1 
+ 2 1 
Mean — D4 
-1-1-38 
— 1-34 
-f 0-88 
125. The thermal value of 11° 6' deflection being foimd to be 1 '63 Cent., the above 
deflections will indicate respectively '00343 cold, '00338 heat, '00328 cold, and '00215 
heat, the average showing a quantitative thermal effect of 0°'00306. Using my own 
