464 PROFESSOR A. SCHUSTER AND MR. W. GANNON ON A 
The average temperature of the Clark cells during the above experiment was 17%5. 
Hence the electromotive force calculates out as follows :— 
2 0iClaxkecelistatw5 4Cn ee hee 28°6800 volts. 
Correction to 17°°15, taking the change ot erie 
each cell to be 0°00115 volt per degree a 
Correction of battery to standard . . . + 00010 
32 
Electromotive force of battery. . . 28°6317 ,, (E). 
(2.) Total Water Equivalent. 
Weights. 
@alorimeter/+-\coil 52-55 5 eee eee ee Ome onarns: 
Calorimeter + coil+-water ... . . . . 41781°54  ~,, 
(At 12 45.) 
Hence 
iWatenan Gs i cepts ob co ee AO 
Evaporation correction = 05 
Buoyancy 55 = 1°58 
Equivalents eri SG 
Total water . . . 1540°39 (W). 
The equivalents include 27°02, the constant value throughout all the experiments 
(see p. 441), and 0°34 for the part of the thermometer stem above 12°, which was 
immersed in the water. 
(3.) Weaght of Silver Deposit. 










| | thts Ser | | 
Observed | | eae | eatometes 3 
Date of ‘oht | Lempera-| Baro- oes correction | Corrected | jroo Ditfer- 
Weighing.| WSS" ture. meter, | Ccrrechon | in milli- | weight. i ence. 
=P) @eGhein, | | in milli- seep e 
| grams. o ; | 
| | 
lt ze | | | 
May 19 | 64263487 17:0 749°7 +:040 +076 64263603 | 263612 | 
» 20 263510 169 | 749:9 +038 | +074 263622 | ~~ 62034. 
» 23 | -*883859 169 | 7582 +°038 +013 "883910 | .eon9n3 | : 
ye 8} 883943 | 17-0 758°2 +040 +013 883996 ; | 



The silver deposit was thus 0°62034 gram. (W). 
