462 
MR. E. H. GRIFFITHS OR THE VALUE OF 
Table XXX.—Series II. J 26. September 14, 1892. 
Weight of water (wt vacuo) =■ 199'674 grms. 
Clark cells. n = L (37, 38, 39), (40, 41, 42), (43, 44, 45), (46, 47, 48). 
Temperature 15°T2 C. 
External Tempereture 241'2 A = 300 E = 19'260° C. Pressure = ’48 millim , 
Calorimeter cooled to 10°'00 C. Connections reversed at h 
Reading 
Time. 
Time over 
interval. 
Revolu¬ 
tions. 
Time of 
revolutions. 
Rate. 
seconds. 
thousands. 
seconds. 
86 
45-2 
0 
19-6 
87 
51-7 
88 
57-9 
89 
64T 
2 
86-1 
126 
297-7 
252-5 
8 
285-3 
127 
304 
252-3 
128 
310 
252-1 
129 
316-8 
252-7 
Mean 
• 
252-4 
30-10 
176 
623-8 
326-1 
18 
617-6 
177 
630 
326 
178 
636-7 
326-7 
179 
643 
326-2 
19 
650-8 
t Mean 
• 
326-25 
• “ 
30-12 
216 
888-6 
264-8 
26 
883-2 
217 
895-2 
265-2 
218 
902 
265-3 
219 
908-9 
265-9 
27 
916-4 
Mean 
• 
265-3 
• • 
30-12 
256 
1160-7 
272-1 
31, 
1148-8 
257 
1167-1 
271-9 
258 
1174 
272 
259 
1181 
272-1 
Mean 
272-03 
30-10 
