Force  in  the  Contact  of  Metals. 
269 
Exp.  53.  No.  2. 
Diff.  of  temp.  Deviations. 
8-8  ..  .  22-0 
84  ..  .  21-5 
8-3  ..  .  20-5 
8^_  .     .  .  21-0 
Mean  .  843     Mean  .  21-25 
Whence  we  obtain  : — 
Conducting-power. 
167*0 
167-0 
Mean  .  167'0 
No.  1.  Deviation  =2369 
No.  2.  „         =24-15 
Mean     .     .     = 
=23-92 
Iron-Copper. 
Exp.  54. 
No.  1. 
Diff.  of  temp.            Deviations. 
Conducting-power 
o 
60 
.     .     .      88-2 
164-5 
60 
.     .     .      84-0 
1660 
5-8 
.     .     .      84-8 
Mean  . 
165-3 
5-7 
.     .     .      82-5 
5-7 
Mean  .  84'88 
Mean  . 
5-84 
Exp.  55. 
No.  1. 
7-9 
.     .     .     119-5 
1660 
7-7 
.     .     .     1175 
167-0 
7-7 
.     .     .     117-0 
Mean  . 
166-5 
7-4 
.     .     .     116-3 
Mean  . 
7-68 
Mean  .  1178 
Exp.  56. 
No.  2. 
8-3 
.     .     .     126-4 
166-0 
8-4 
.     .     .     127-0 
1660 
8-3 
.     .     .     127-8 
Mean 
166-0 
8-3 
.     .     .     1270 
Mean  . 
8-33 
Mean  .  12705 
Exp.  57. 
No.  2. 
7°8 
.     .     .     121-5 
1650 
7'6 
.     .     .     117-5 
166-7 
7-5 
.     .     .     115-5 
1660 
7-4 
.     .     .     1150 
Mean 
,  165-7 
Mean  . 
7-58 
Mean  .  1174 
