Trials of charges on coated plates 



213 



separated pos. 

 rather more, 

 scarce at all. 

 same as C. 

 separate neg. 



do. 



not at all. 

 scarce sensibly, 

 about as much as C at 16. 

 about as much as C. 

 Therefore F seems to contain about as much electricity as C, and D to 

 contain about T V more. 



443] The three foregoing plates 



Large plate 

 placed close together 



placed as far asunder as possible 

 The above mentioned large plate 



[Art. 442] 



23 



23 

 23 

 21 

 20 

 30 



separated pos. 



a trifle more 



rather less than No. i 



same as No. I. 



same as No. 2. 



separated a very little neg. 



No. 



i 



2 



3 



All 3 plates together 



444] Three coated plates were made on thick plate each 1-8 inches diameter, 

 the mean thickness of glass being supposed -18, therefore the computed power 

 of all three together = 54. 



4 separated pos. 



5 did not separate, 

 ii 



10 

 12 

 ii 



4 



3 



WithC 



sep. neg. 

 did not separate, 

 sep. neg. 

 did not. 

 sep. neg. 

 did not. 

 N.B. The breadth of the sliding plate is not known. 



445] Small sliding plate not drawn out 14 x 9-4. 

 Large 19 x 13. 



Globe hung on silk strings negative. 

 Sliding plates on waxed glass positive. 



Globe plate 19 x 13 



14 

 15 

 16 



Globe plate 14 x 10-4 

 n-4 

 12-4 



did not separate 



doubtful 



separated pos. 



seemed rather more 



separated neg. 



doubtful 



did not separate 



[Equivalent*] 



157 

 16-3 

 16-9 

 17-4 



12 



12-6 



13-2 



* [This column gives the side of a square equivalent to the trial plate. See 

 Art. 465.] 



