HANDWRITING
In the exact handwriting of the sender messages are being sent over telegraph wires in France at the rate of 75 to 100 words in three minutes. Written on any kind of paper, a special ink is used that leaves a solid deposit and a slightly raised elevation when dry. This document is wrapped on a cylinder that revolves the message under a needle similar to that on a phonograph. Every time the point passes over one of the raised lines of the message an electric current is interrupted. Every momentary stoppage of the current at the sending station causes a beam of light to be directed against a similar cylinder at the receiving end, carrying a piece of sensitive paper. When finished the photographic blank is removed and developed, giving an autographic reproduction of the original message. The apparatus is now installed in several stations operated by the French Government and has proved successful.
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Bibliographic details
Waipa Post, Volume XXIV, Issue 1425, 10 November 1923, Page 7
Word Count
156HANDWRITING Waipa Post, Volume XXIV, Issue 1425, 10 November 1923, Page 7
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