TO PETER COLLINSON, ESQ. F. R. S. LONDON.
_Farther Experiments confirming the preceding Observations.--Leyden
Bottle analysed.--Electrical Battery.--Magical Picture.--Electrical
Wheel or Jack.--Electrical Feast._
_Philadelphia, 1748._
The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] · 第 94 / 291 题