Capacities of condenser plates compared 



2 37 



Length of 



Plates additional Trial 



tried wire plate 



D q B 



I If let down and up immediately, sep. neg. 

 about -Jy inch. If it rested at bottom 2" 

 or 3", rather less, 

 do. 

 do. 

 do. 



do., but closed sooner. 



do. 

 sep. about ^ pos.; much the same if it rested 



at bottom 2" or 3". 



do. if let down and up immediately, rather 

 more if resting at bottom 2 or 3". 

 do. 

 do. 

 do. 



do. 



490] Feb. 4 continued. Comparison of the three plates E, F and G together 

 with the plates I, K, L and M, tried by the two above-mentioned trial plates 

 and the i 8 ' and 2 n " sliding plate*. 





K 

 I 

 E, F, G 



M 

 E, F, G 



2 nd 17 



17 

 15 



7 

 9 



7 



sep. pos. about T \p D if resting 2 or 3". 



sep. rather less than ^ v , rather more if resting 2 or 3". 



same as before. 



sep. about ^. D if resting 2 or 3". 



DO 



DO 

 Large. Sep. neg. about y 1 ^: rather less if resting 2 or 3", 



the separation more after a little time than at 



first, and closed very slow. 



DO 



D" 



DO 



DO 

 DO 



[Art. 318.] 



