[ 15 + ] 
does not join with them in their paflage through it ; 
which otherwife it would do with them, or any 
non-eledric not electrified. 
to this purpofe 
to fay, that all 
were eleClrified. 
But how far they will weigh with the Royal Society, 
I mufi; leave to their better judgment. I am, 
SIR, 
Your mofi: humble and 
mofi: obedient fervant, 
Hen. Eeles. 
P. S. I electrified the down between each expe- 
riment. 
4 
I made fome other experiments 
but thefe principally perfuaded mf 
afcending vapours and exhalations 
XXVI. 
y* 
