Modern Electrics ..., Volume 2, Issue 1Hugo Gernsback, Charles Augustus Le Quesne, Austin Celestin Lescarboura Modern electrics publication, 1909 - Electricity |
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aerial aerophone aerophore amateur ampere hours antenna apparatus bell binding posts brass Broadway cadmium capacity catalog ceiving cell cents charge circuit coherer conductor connected container core device disc discharge distance ebonite ELECTRO IMPORTING electrolytic detector feet Filed give hole inch coil inch spark coil inch square inch thick inch wide inches long induction coil instruments insulation invention lamp LEE DE FOREST Leyden jar magnet magneto mention Modern Electrics messages microphone miles month motor N. Y. When writing Navy ohms operation paraffine password Patent piece positive plate potentiometer Price receiving set relay screw secondary sensitive sent shaft shellac ship shown in Fig signal spark gap SPECIALTY storage battery Street subscription switch tele telephone receiver tin foil tion transformer transmitting tube tuning coil vibrator voltage volts wave length WIRELESS EXPERIMENTERS wireless stations wireless telegraph wireless telephone writing please mention York City York When writing