458 
MR. E. H. GRIFFITHS ON THE VALUE OP 
Table XXVIII.—Series II. J 20. September 11, 1892. 
Weight of water {in vacuo) = 139'776 grms. 
Clark Cells.* n = 4. Nos. (37, 38, 39), (40, 41, 42), (43, 44, 45), (46, 47, 48). 
Temperature = 15°'05 C. 
External temperature throughout experiment = 241‘2 A = 300 E = 19°‘260 C. 
Pressure = '97 millim. 
Calorimeter cooled to 10“‘00 C. before commencing experiment. Connections 
reversed at t. 
Readiiig 
E;„. 
Time. 
Time over 
interval. 
Revolu¬ 
tions. 
Time of 
revelations. 
Rate. 
seconds. 
thousands. 
seconds. 
86 
7 
4 
4 
87 
11-8 
88 
16-8 
89 
21-8 
5 
36-8 
Mean 
126 
206 
199 
10 
200-2 
127 
211 
199-2 
128 
216 
199-2 
129 
221-2 
199-4 
11 
233-2 
Mean 
199-2 
30-54 
176 
464-2 
258-2 
17 
431 
177 
469-2 
258-4 
178 
474-7 
258-7 
179 
479-8 
258-5 
19 
496-6 
fMean 
258-45 
30-37 
216 
673-8 
209-6 
217 
679-1 
209-7 
218 
684-5 
209-8 
219 
689-9 
210-1 
25 
693-5 
Mean 
00 
30-47 
256 
888-3 
214-5 
30 
857-5 
257 
893-8 
214 7 
258 
899-2 
214-7 
259 
904-8 
214-9 
32 
922-8 
Mean 
214-7 
• • 
30-53 
* The cells in brackets were placed in pai’allel arc. 
