I S3 ] 
between the two coatings, which fhould 
be occupied by a piece of glafs heated till 
it becomes red ; the inftant the glafs com¬ 
pletes the circle, one may perceive a mo¬ 
mentary fhock. With regard to the feal- 
ing-wax, the apparatus fhould be placed 
on the edge of a table, fo that with a 
candle, the wax being placed in contact 
with and between the two coatings may 
be heated j in this manner, flight trem¬ 
blings may be excited. It is not the flame, 
which, in this cafe, conducts the electri¬ 
city; on the contrary, flame injures the 
experiment, when it makes a part of the 
conductor. This experiment I repeated 
after M. Cavallo. 
It may fee enquired. If flame be not a 
conductor? For my own part, I am in¬ 
clined to think it is. But the aCtion 
which it exerts upon animal electricity, is 
entirely deftruCtive of its effects. I di¬ 
rected a certain, qijantity of electricity 
E 3 through 
