DISRUPTIVE DISCHARGE OF ELECTRICITY. 671 
TaBLE XX VITI.—Comparison of Electrometers, 10th July 1877. 
Mean of eight determinations, 38°63 C.G.S. units. 

‘Distance between| Deflection of 




| Ab rat Difference, giving Value in absolute 
MMegtoncter momento fl of Zero. Divided Ring Mean Difference. required Be Pomel 
Square. Electrometer. Spark. 
496 510 14 
498 z 1D 
A497 . 13 
495 B 15 
a 497 13 + 13 
496 B 14 | 
498 » 12 | 
498 a 12 
(} 502 ; 8 
|} 502 : ae 
502 i 8 
163 501 * 9 8 47°70 
| 502 Me 8 
504 : 6 
502 é 8 | 
500 . 10 
8°75 | 500 ‘i 10 \ 10 39°75 
499°5 » 10°5 


