which it is As far back as 1901 the professor made more or deflected to a plaque of selenium in the electric circuit. ity as that in the sender, and its mate in the receiver, The variations of the revolving image are thus made less successful experiments in transmitting electrical- but in the… … sole rights for France up to July 1, 1909, after which The Transmitter of 1908. D. Wire from transmitter; F, Geissler tube; E, cylinder with film for these rights will revert to the inventor. That jour- receiving the image. A. Selenium cell; B, axis; C, glass cylinder carrying photo-film to be sent…
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