[ + 26 ] 
Toon after their appearance. I alfo now hold it 
for a certain rule, that, whenever there appears a 
thick fog, and the air is at the fame time fiarp and 
frofly , that fog, is itrongly electrified pofitively. 
Though rain may not be an immediate , yet I am 
inclined to think it is by no means a very remote 
confequence of electricity in the atmofp’nere ; and, 
from the trifling obiervations I have had an op- 
portunity to make on that fubjeCt, I have not 
failed to find, that, in two or three days, after f 
have difcovered the air to be (trongly electrified, 
(efpecially if that eleCtricity continued for as long 
a time), we have had rain, or other falling wea- 
ther, and I incline to believe, more plentifully, in 
proportion to the ftrength, and continuance, of the 
eleCtricity; if not rain, fnow, &c. according to 
the ftate of the atmofphere, with refpeCt to heat 
and cold. If eleCtricity be not a caufe, I think it 
at leaft a prognofic , of falling weather. But, for 
further fatisfaCtion in this particular, I would re- 
commend it to any gentleman curious in thefe en- 
quiries, and having leifure, to keep an eleCtrical 
journal, upon a plan of the following kind. 
Let a large book be provided, and ruled in the 
manner of a bill-book, ufed by tradefmen. The 
columns fo ruled may contain a collection of ob- 
fervations in the following order : Date and day ; 
hour, latitude and longitude, or place; divergence, 
of the balls ; kind of eleCtricity ; variation of the 
needle ; dip of the needle ; barometer, thermome- 
tei, hygrometer, wind, weather, occafional obierva- 
tions ; to which may be added, the rain-gage, wind- 
gage, See. Thefe things being carefully noted, 
