THE 
of 49° with a total 
internal resistance of 360,800 ohms. 
On June 17, 1881, the following results were obtained :— 
47 8 MESSRS. W. DE LA RUE AND H. W. MULLER ON 
consisted of 11,000 cells, giving a deflection when short-circuited 
Pressure. 
Deflection. 
Total 
resistance. 
Tube- 
resistance. 
Tube- 
potential V. 
m.m. 
M. 
Cube root of M. 
ohms. 
ohms. 
cells. 
35-0 
46,053 
35-84 ' 
33-0 
639,700 
278,900 
4796 
33-5 
44,079 
35-32 
40-0 
495,000 
134,200 
2982 
31-0 
40,789 
34-42 
43-0 
445,300 
84,500 
2089 
27-5 
36,184 
33-08 
40-0 
495,000 
134,200 
2982 
26-0 
34,211 
32-46 
43-0 
445,000 
84,500 
2089 
24-0 
31,579 
31-61 
43 0 
2L5 
28,290 
30-47 
430 
19-5 
25,658 
29-50 
43-0 
16-0 
21,053 
27-61 
44-0 
430,700 
69,900 
1784 
135 
17,763 
26-09 
45-0 
415,000 
54,200 
1435 
10-5 
13,816 
24-00 
46-0 
400,300 
39,500 
1085 
8'5 
11,184 
22-36 
46-5 
393,500 
32,700 
913 
6-5 
8553 
20-45 
46-5 
4-5 
5921 
18-09 
48-0 
374,000 
13,200 
388 
3-5 
4605 
16-64 
48-5 
367,400 
6600 
194 
2 - 5 
3290 
14-87 
47-0 
386,700 
25,900 
737 
2-0 
2632 
13-81 
47-0 
t # 
1-5 
1974 
12-54 
47-0 
1-0 
1316 
10-96 
46-0 
400,300 
39,500 
1085 
0-47 
618 
8-52 
44-0 
430,700 
69,900 
1784 
031 
408 
7-42 
44-0 
0T6 
211 
5-95 
44-0 
0-06 
79 
4-29 
44-0 
0-03 
39 
3-39 
44-0 
0-02 
26 
2-96 
38-0 
531,600 
170,800 
3534 
On June 22, the following :— 
Battery 11,000 cells, short circuited, gave a deflection of 65°, and a total internal 
resistance of 193,600 ohms. 
Pressure. 
Deflection. 
Total 
resistance. 
Tube- 
resistance. 
Tube- 
potential V. 
m.m. 
M 
Cube root of M. 
ohms. 
ohms. 
cells. 
21-0 
27,634 
30-23 
60 
239,500 
45,900 
2108 
18-0 
23,684 
28-72 
15-0 
19,737 
27-03 
61 
230,200 
36,600 
1749 
9-0 
11,842 
22-79 
7-0 
9211 
20-96 
. t 
5-0 
6579 
18-74 
62 
320,900 
27,300 
1360 
3-0 
3947 
15-80 
63 
211,600 
18,000 
936 
2-0 
2632 
■ 13-80 
11 
1447 
11-31 
62 
220,900 
27,300 
1360 
0-67 
882 
9-59 
017 
224 
6-07 
59 
249,500 
55,900 
2464 
o-io 
132 
5-09 
0-04 
53 
3-75 
57 
263,600 
70,000 
2920 
0-16 
21 
2'76 
51 
336,200 
142,600 
4666 
