268      M.  E.  EdluncPs  Researches  on  the  Electromotive 
Exp.  49.                           No.  2. 
DifF.  of  temp.            Deviations. 
Conducting-power. 
89     .     ,     .       90 
1675 
8-6     .     .     •       8-2 
167-5 
8-2     ..     .       8-3 
8-1     .     .     .       7-5 
Mean  .  167*5 
Mean  .  8*45      Mean  .  8-25 
Whence  we  obtain  : — 
No.  1.  Deviation 
=10*36 
a             a 
No.  2.        „ 
=  9<68 
=  9*33 
Mean  .  979 
Copper-Platinum . 
Exp.  50.                             No.  1. 
Diff.  of  temp.            Deviations. 
Conducting-power. 
8°*6     .     .     .      51-0 
1660 
8*6     .     .     .      50-5 
163-5 
8-5     ..     .      50-5 
8-3     ..     .      500 
Mean  .  164*8 
Mean  .  85       Mean  .  50'5 
Exp.  51.                            No.  2. 
7-8     ..     .      47-0 
168*0 
7*4     ..     .      470 
168*0 
7*3     .     .     .      45-5 
7'2     ..     .      450 
Mean   .  168*0 
Mean  .  7*53     Mean  .  46*13 
Whence  we  obtain  : — 
• 
No.  1.  Deviation 
=  57*68 
No.  2. 
=  59*13 
Mean     .     . 
=  58*41 
Copper- Gold, 
Exp.  52.                            No.  1. 
Diff.  of  temp.            Deviations. 
Conducting-power. 
8-7     ..     .      21-5 
166*0 
8*4     ..     .      200 
8-0     .     ♦     .      19*3 
79    .     .     .      20-3 
Mean  .  8*25     Mean  .  20*28 
