826 Mr. nairne’s Experiments to Jhew the 
EXPERIMENT I.- 
I fere wed a brafs ball, of four inches diameter, at the 
end of the rod d, then placed it nearly in contact with 
the ball c, at the end of the artificial cloud: on charging 
the artificial cloud, the eledtric fire ftruck from the ball 
c to the ball’ at the end of the rod, and continued ftriking 
all the while it was gradually removing to the diftance of 
ieventeen inches and four tenths, and fometimes on to 
nineteen inches: I have had ftrokes twenty inches in 
length, but it has been very rare, 
EXPERIMENT II. 
The apparatus remaining as in the laft experiment^ I 
changed the ball of four inches diameter on the rod n, 
and in its place ferewed a ball of one inch diameter, then 
I placed this very near to the ball c as before: on charg- 
ing the artificial cloud, the eledtric fire now ftruck to the 
ball at the end of the rod d of one inch diameter, and 
continued ftriking whilft it was gradually removing to the 
diftance of about two inches. It then gave over ftriking, 
and was fucceeded by a hilling noife and a continued 
light on the one inch ball, whilft it was removing very 
gradually from the ball c, until the diftance between the 
two 
