What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
aerial aerophore alternating current amateur ampere hours antenna apparatus bell binding posts brass Broadway cadmium capacity catalog ceiving cell cents charge circuit City When writing coherer conductor connected container core device disc discharge distance Elec Electro Importing electrolytic detector feet Filed give hard rubber Hertzian waves hole inch coil inch spark coil inch thick inch wide inches long induction coil instruments insulation invention lamp Leyden jar magazine magnet mention Modern Electrics messages microphone miles month motor N. Y. When writing ohms operation paraffine password Patents piece positive plate potentiometer Price radiotelegrams receiving set relay screw secondary sending Helix sensitive sent shaft shellac ship shown in Fig signal spark gap storage battery Street subscription switch tele telephone receiver tin foil tion transformer transmitting tube tuning coil variable condenser voltage volts wave length wire WIRELESS EXPERIMENTERS wireless station wireless telegraph writing please mention York City