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It hill remains for us to make one impor¬ 
tant obfervation, viz. That the electricity 
made ufe of in the lah mentioned experi¬ 
ments was condenfed electricity, the force or 
intenfity of which cannot be equalled by the 
electricity of metals in the natural hate. 
Although it be a well-known faCt, that 
the condenfed eleCtrieity of a charged jar 
pohehes a greater energy than that of a 
body limply electrified, becaufe in like 
circumhajnces the quantity is greater in the 
former than in the latter cafe, yet it may 
not be extraneous to introduce a few expe¬ 
riments which tend to illuhrate it more 
fully. 
Experiment CXLIII. 
A frog was prepared, and placed upon 
a table. A hick- of fealing-wax was 
rubbed until at the dihance of eighteen 
inches, from Bennet’s electrometer it caufed 
a divergence of half an inch. When 
brought 
