Abstract
ALTHOUGH the transmission of photographs over telegraph circuits may still be said to be in the experimental stage, a number of processes have been developed to a considerable extent, and already pictures are sent over the London-Paris and other lines to a limited extent in illustrated journalism. The author summarises the work of various inventors in this field, and the processes described include those depending on the action of light on selenium, and those in which a stylus travels over a metallic image. Full instructions are given for the construction of an experimental equipment, and a chapter is included referring briefly to the wireless actuation of such apparatus.
The Electrical Transmission of Photographs.
M. J.
Martin
By. Pp. xi + 136. (London: Sir Isaac Pitman and Sons, Ltd., 1921.) 6s. net.
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The Electrical Transmission of Photographs. Nature 108, 334 (1921). https://doi.org/10.1038/108334c0
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DOI: https://doi.org/10.1038/108334c0