e spark of dis- necting it to the accessory apparatus is shown in the as a transmitting antenna the one: by which the ruptive discharge of an induction coil radiates the figure. messages are received; and another feature which is waves, varies materially in detail from all others by In one of the… … are much too cumbersome to be moved, as the following text, transported with the facility drawings, and photographs fur- necessary in such all-important nished by the Allgemeine Hlek-
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