PERHAPS a better mode of performing the experiment quoted by Mr. Rudge (p. 10) is to have two insulated parallel metal plates, one connected with an electroscope, the other with a slightly-charged ...
ON p. 669 of Ganot's “Physics” (eleventh edition) the following statement is found:— “At a fired distance above a gold-leaf electroscope, let an electrified sphere be placed, by which a certain ...