2 1 8 "Journal of Experiments, 1 77 1 



same manner as in coated plates, and were electrified by wires touching their 

 centers perpendicularly, the quantity of electricity should be 



Large circle 14-02 



Two at 36 13-15 



24 12-72 



18 12-28 



The quantity of] elfectricity] in the wire 72 inches long and -19 thick seems 

 to be nearly equal to that in the circle of 18-5 inches. Therefore if we suppose 

 quantity of electricity in a cylinder to be proportional to its length divided by 

 the logarithm 



982 



1-096 to N. log. 



I I-2II 



, length quantity of elec- 

 of -r^- , M . .. J . -4266 



thickness tncity in cyhn- 



, length der is to that in 



of r -, ,. .4761 to tab. log. < or as 



thickness globe whose dia- 



of length meter = length 



J thickness ' of cylinder as 

 and the quantity of electricity therein is to that in a circle of the same dia- 

 meter as 



6627 1-526 f- 



74 to tab. log. or as 1-704 to N. log. J 

 -8173 1-882 l- 



455] A trial plate for Leyden vials consisting of two plates with rosin 



between. 



S 2j sep. neg. rather doubtful 



L i pos. rather doubtful 



Double plate A, computed power = 11-04. 

 L - 3^ sep. a little pos. , 



S - 4 a little neg. 



Double plate B, computed power = n-i. 

 L - 3 a little pos. , 



S - 4^ a little neg. 



Large circle on silk strings. 

 L 3^ a little pos. 



S 4! a little neg. 



Globe on silk strings. 

 L 4^ a little pos. j_ 



S - 4f a little neg. 



456] Therefore the quant, el. in these bodies seems as follows : 



Trial plate 17^ 



A 18-4 



B 18-3 



circle 18-5 



globe 18-8 



* [See Note 12.] 



