OF ELECTROSTATIC UNITS IN THE ELECTROMAGNETIC UNIT, 
423 
September 22, 1871. Battery 90 cells. 
Resistance in B. A. 
v in centims. per 
second. 
Electrometer. 
Electrodynamometer. 
units. 1 = 10 9 centims. 
per second. 
Difference. 
Mean. 
Deflection. 
Mean. 
33*45 
33-3 
33-37 
It. 542*25 
L. 544*25 
543-25 
15825 
295-4 x 10 s 
34-0 
33-85 
33-93 
R. 545-75 | 
544-00 
15805 
290-3 xlO 8 
33-95 
1 
L. 542-25 J 
34-0 
33-8 
33-70 
R. 543-75 
L. 545-0 
544-37 
15810 
292-5 x 10 s 
33-3 J 
September 24, 1871. Battery 90 cells. 
Resistance in B. A. 
v in centims. per 
second. 
Electrometer. 
Electrodynamometer. 
units. 1 = 10 9 centims. 
per second. 
Difference. 
Mean. 
Deflection. 
Mean. 
34-25 
34-0 
34-12 
R. 551-0 
L. 550-5 
550-75 
15840 
29M X 10 s 
34-0 ^ 
R. 552-5 ] 
34-1 
34-0 
34-02 
<• 
551-87 
15834 
292-2 x JO 8 
34-0 
L. 551-25 
33-75 
33- 9 
34- 0 
► 
33-88 
R. 551-75 
551-25 
15832 
293-2 x 10 s 
33-9 . 
L. 550-75. 
I 
September 25, 1871. Battery 90 cells. 
Electrometer. 
Electrodynamometer, 
Resistance in B. A. 
units. 1 = 10 9 centims. 
per second. 
v in centims. pet- 
second. 
Difference. 
Mean. 
Deflection. 
Mean. 
35-5 ] 
L. 601-0 1 
35-25 V 
35-32 
\ 
601-5 
15728 
291-8 x 10 s 
35-2 J 
R. 602-0 J 
September 2G. — The period of vibration of the suspended coil was observed and 
found to be 5 - 805 seconds. The corresponding value of y was •000020175. 
Electrometer. 
Electrodynamometer. 
Resistance in B. A. 
units. 1 = 10 9 centims. 
per second. 
v in centims. pet- 
second. 
Difference. 
32- 9 b 
33- 0 1 
32-75 f 
32-8 J 
Mean. 
32-86 
Deflection. 
R. 523-0 ' 
L . 52 , 5 j 
\ 
Mean. 
522-75 
15640 
291-3 x io 8 
