[ 359 ] 
New Experiments and Obfervations concern- 
ing EleElricity. 
PAPER III. 
t 
Of Electrical Cohefion. 
Read June 21, A Ccording to what I promifed in the 
1 759* conclufion of my laft paper, I come 
in this to give the Society an account of cohefion pro- 
duced by electricity. I had not made any great pro- 
grefs, in the feries of experiments and obfervations I 
have already had the honour to communicate, before 
I perceived that the black and white docking, when 
electrified, and allowed to come together, not only 
joined extremely clofe, but actually duck to each 
other; infomuch that unlefs when weak in electrici- 
ty, or improperly applied, I could make the white 
bear the weight of the black, or the black that of the 
white, and that for a confiderable time. But as the 
weather, for fome months in winter, was fo feldom 
favourable for eleCtrical experiments, that I had 
fcarcely opportunities fufficient to fatisfy myfelf with 
regard to other points, I did not enter upon an ex- 
amination of this phenomenon experimentally, till 
about the latter end of March. By that time, I had 
got ready the fcale of a balance properly fitted with 
a hook to catch hold of the docking, a fet of Troy- 
weights I could depend upon, and an exaCt pair of 
fcales, to take the precife weight of the dockings as 
occafion fhould require. 
