PHOTOGRAPHIC MARVEL
TRANSMITTED BY RADIO. \ EMPLOYEES INVENTION. 'A- VICTORIA (8.C.) Nov. 30. The transmission of photographs from London to New York in between 20 and 30 minutes has created widespread interest | throughout America,. /. } The present cost of sending one picture that of atoo-word cablegram at 8d a word As the time is shortened, the cost will decrease. The inventors are Messrs. Ranger and Ward, Radio Corporation employees^' | The picture is first photographed on an Ordinary camera film. The negative is then placed on a glass cylinder containing an incandescent lamp, the light from which js focussed in a minute beam on the film as the cylinder is set in motion. As the light and dark portions of the picture are traversed by the light beam, the intension of the ray is changed. After passing through the film the beam strikes the sensitive element of the photo-electric > cell, which transforms the light, waves into electric impulses, which are transmitted by radio in the same manner as dots and dashes. i - «—• ■■- - •
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Bibliographic details
New Zealand Herald, Volume LXI, Issue 18889, 11 December 1924, Page 10
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169PHOTOGRAPHIC MARVEL New Zealand Herald, Volume LXI, Issue 18889, 11 December 1924, Page 10
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