Abstract
TELEGRAPHY over long submarine cables is continually on the increase, and I think it may be brought forward as a fairly accurate statement that the number of messages sent doubles itself every ten years. It is therefore important that, besides the increase in the number of the cables laid down each year, means should be devised to increase the carrying power.
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Some Methods of Magnifying Feeble Signalling Currents 1 . Nature 91, 98–100 (1913). https://doi.org/10.1038/091098b0
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DOI: https://doi.org/10.1038/091098b0