Capacities of Ley den vials 



233 



TRIALS OF LEYDEN VIALS. 



I 



482] The plates from Nairne made out of the same piece of glass were coated 

 with circles of tinfoil as below *. 



The old ground glass plates R were coated with tinfoil square, com- 



puted power 2 ., , to be used as trial plates. 

 33 ' 



483] Friday, Jan. . Th. 52. S. H. 15. C. H. - 9. 



The plates D, E, F, G of Nairne were compared with the double plates A 

 and B by means of the trial plates A and B and an additional wire sliding on 

 the electrifying wire Mm. 



The ,. of the wire Mm is ^ inches, the additional wire is of the 



thickness -15 



same thickness. The wire Bb is g|- inches long. 



sep. near i diam. closed soon. Called I st way. 



rather more, closed soon, 2 nd way. 



sep. i diam. closed much slower, 3 rd way. 



3 rd way. 



2 nd way. 



2 nd way. 



3 rd 



3 rd 



2 nd 

 2 nd 



3 rd 



* [See Art. 315. The computed power as given in this part of the Journal is 

 the square of the diameter divided by the thickness, which is eight times the com- 

 puted power as defined in Art. 311, and calculated in Art. 315.] 



