[ 68 3 ] 
with in the year 1746, and afterwards publifhed 
more at large in a Treatife upon Electricity, in the 
year 1750 ; as I have lately made fome farther dis- 
coveries relative to that experiment, and the minus 
electricity of Mr. Franklin, which fhew I was then 
miftaken in my notions about it. 
What I mean by the minus electricity of Mr. 
Franklin, regards the minus electricity of the Ley- 
den experiment only, which that gentleman dis- 
covered. 
I Shall be very glad to have this acknowledgment 
made public j and, to anfwer that end the moft 
effectually, I with it may have a place in the Trans- 
actions of the Royal Society. 
I am, 
London, June 24, 
1756. 
Gentlemen, 
Your moft obedient 
humble Servant, 
Benj. Wilfon. 
CVII. An 
