MR. DANIELL ON VOLTAIC COMBINATIONS. 
121 
Large Voltameter. 
Time. 
Quantity of Gas. 
Rate per quarter 
of an Hour. 
Rate per five Mi- 
nutes. 
h m 
11 24 
cubic inches. 
cubic inches. 
cubic inches. 
11 39 
11 45 
16 
16 
5-3 
11 60 
30 
14 
4-6 
12 3 
12 18 
12 19 
44 
14 
4-6 
12 34 
58 
14 
4-6 
12 49 
71 
13 
4-3 
Small Voltameter. 
12 51 
12 56 
12 58 

4-6 
1 3 
4-6 
Hydrogen removed by agitating the Rods. 
1 6 
1 11 
4-9 
Large Voltameter. 
1 14 
1 29 
85 
14 
4-6 
1 31 
2 1 
27 
13-5 
4-5 
2 31 
54 
13-5 
4-5 
3 1 
82 
14 
4-6 
Small Voltameter. 
3 2 
3 7 
4-8 
Thus the total quantity of mixed gases collected amounted to 186 cubic inches, 
which, being corrected for pressure, were equal to 188-48. The zinc rods were re- 
moved from the cells, rinsed in water, and carefully dried, when they were found to 
have lost 933 grains. 
Now adopting the data for computation, as laid down in your Tenth Series (1 126.), 
of 100 cubic inches of the mixed gases being equivalent to 12 - 68 grains of water, and 
taking the equivalent number of water as 9, and that of zinc as 32'5, we have the 
following proportions : 
Mixed Gases. 
Water. 
cub. inch. 
grs. 
cub. inch. 
grs. 
100 :• 
12*68 
: : 188 : 
23-84, 
Equiv. Water. 
Equiv. Zinc. 
grs. 
grs. 
9 : 
32-5 
: : 23-84 
86-1 ; 
MDCCCXXXVI. 
R 
