DISRUPTIVE DISCHARGE OF ELECTRICITY. 669 
TaBLE XX VI.—Long Distance Curve, 23d May 1877. Dielectric, Air. 
Electrodes, balls. Pressure, 20 mm. 
Equation, V =7:4405s:—16580s:. 





Obs 1 ; Calculated 
= em ; Deflection. Zero. Diff, of on ae Diff ‘of Difference. 
park. n- n, Potential. |° yeaa Potential. Vi_-V. Temperature. 
ee n'—n,. : V.. 
A491 500 Se | 
1 488 ¥ i, 9 TES) SPT 
AQT ¥ G)S< 
488 - 12 
2, 489 5 11 \ 10 1071 —O01 64:5°-F. 
490 i 10x |f 
489 mi 11 
3 488 » 12 | 153} 12°0 —0:°7 
489 <5 11 
488 by 12 
4 488 . 12 } 12 S56 —1°6 
488 » 12 
487 » i183 
5 487 » 13 \ 14 14:8 —0°8 
486 53 14x 
486 » 14 
6 488 503 15x \ 15 15°8 —0°8 66° 
488 bey a 
486 » ley 
486 ~ uy 
486 2 17 
486 9 17 
485 3 18 
9 486 ss nV } ava} 17°8 —0°3 66°4° 
485°5 ¥ 1A 
483 502 19 
10. - 483 % 19 \ 18°7 18:3 +0°4 
484 At 18 if 
483 Be 19 
ial 485 503 18 | 18°3' 18°6 — 03 
A85 . 18 
484 [ 19 
12 483 A. 20 \ 19°3 - 18:9 +04 66°5° 
484 * 19 
481 500 19 
13 483 503 20 ; 19°3 19:1 +0°2 
485 504 19 
482 503 alt 
14 j 483 ke 20 | 21 19:2 +1°8 Of 
U 482 504 | 22 
482 503 21 
15 480 “s 23 \ 22, 19:2 +2°8 
482 504 22 s 


VOL. XXVIII. PART IT. 8 L 

