270        M.  E.  Edkind's  Researches  on  the  Electromotive 
Whence  we  obtain : — 
No.  1.  Deviation  =  140*7 
33                    3i 
=  147-4 
No.  2, 
=  147-0 
33                            33 
=  1496 
Mean     .     . 
=  146-18 
Copper-Lead. 
Exp.  58.                            No.  1. 
Diff.  of.  temp. '           Deviations. 
Conducting-power 
5-7      .      .      .        170 
167-0 
5-8     .     .     .       17-0 
167-0 
5-8     .     .     .       17*0 
5-9     ..     .       17-0 
Mean  .  167-0 
Mean  .  5-8        Mean  .  170 
Exp.  59.                            No.  1. 
9°-0     .     .     .       24-5 
166-5 
8-8     ..     .       24-0 
168-0 
8-5     ..     .       230 
8-4     ..     .       23-8 
Mean  .  167*3 
Mean  .  8-68      Mean  .  23*83 
Exp.  60.                            No.  2. 
8°-4     .     .     .       26-1 
166-5 
8-0     ..     .       24-8 
*     .          165-5 
7-9     ..     .       24-5 
7-7     .     .     .       23-5 
Mean  .  1660 
Mean  .  8-0       Mean  .  24- 73 
Exp.  61.                            No.  2. 
6-7     ..     .       170 
166-0 
6-5     ..     .       170 
1670 
6-4     ..     .       169 
6-2     ..     .       16-0 
Mean.  .  166-5 
Mean  .  6-45      Mean  .  16-73 
Whence  we  obtain  : — 
No.  1.  Deviation  = 
33                        33                   — 
gJS}«-i* 
No.  2.  Deviation  = 
33                 33             == 
S}37-86 
Mean 
.     ,    37-27 
