Abstract
IT frequently happens that when two alternate processes are available for certain work, and one of them is considerably less practical than the other, the less practical one is possessed of much higher scientific interest. This may certainly be said of the telegraphy of pictures and photographs. The whole of the methods of transmission can be classed as either purely mechanical or dependent on the physical properties of some substance which, like selenium, is sensitive to light.
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The Telegraphy of Photographs, Wireless and by Wire 1 . Nature 84, 220–226 (1910). https://doi.org/10.1038/084220b0
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DOI: https://doi.org/10.1038/084220b0