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B. ARAPU, "The Telephotographic Apparatus of Georges Rignoux - Experiments in Sending Visible Forms by Electricity", 
Scientific American Supplement, 22 May 1915 p.351

Détails de la page de couverture

The Telephotographic Apparatus of Rignoux and Reproductions Showing How the Letters of a Message Appear in the Receiver






Transmitting stations

a. magnetic relays
b. bank of 64 selenium cells










The receiving apparatus :

c. : translucent screen on which the images from the revolving mirror d are received









Receiving station

e. : solenoïd 
f. : nicol prism
g. : arc light




The letter U in the Rignoux receiving mirror

Tle letter L in the Rignoux receiving mirror

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