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Inventions of the great war (1919)

Bond, A. Russell (Alexander Russell), 1876- · New York, The Century co. · leaf 260

An illustration from Inventions of the great war, 1919, leaf 260
wesee that Avhile the crest of the wave is sweep-ing over one side of the frame, the trough of thewave is passing the other side. Two currentsare set up in the radio compass, one in thewires at the near side of the compass, and an-other in the wires at the far side of the com-pass. As these… … Courtesy of the Scientific Amexican Fio. 11. The radio compass tmned parallel to an oncomingelectro-magnetic wave 203 204 INVENTIONS OF THE GREAT WAR trough of the wave is passing over the other.The length of the wave may be anything, butalways one side will be stronger than the other,and a current…

Inventions

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