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Show Radio Equipment of Airplane. There has been installed on one of the huge Goliath biplanes engaged in the I'aris-London aerial service a combined radio telephone and telegraph tele-graph equipment of 35 watts antenna output, with a sending range of about ISO miles at 000 meters' wave length. The complete radio equipment, according ac-cording to Radioelectrieite, weighs only 125 pounds. An air-propeller-driven generator for six volts and 700 volts and a six-volt storage battery bat-tery supply the necessary current. A three-bulb amplifier is used for receiving receiv-ing on all wave lengths between 300 meters and 1,000 meters. Scientific American. |