Selimo Romeo Bottone

Without going very deeply into a description of the apparatus used by M. Tesla in his experiments with electricity at high voltage, and which have been recently described in the “E. M.,” it will be...

The use of the oil is to insure good insulation. Even if a leak momentarily occurs in the coil, the oil oozes in and restores the insulation. The object of the jar is to increase the number of...