TO MR. E. KINNERSLEY, AT BOSTON.

_Probable Cause of the Different Attractions and Repulsions of the

two electrified Globes mentioned in the two preceding Letters._

_Philadelphia, March 2, 1752._

The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] · 第 124 / 291 题