Abstract
SO far back as 1893 tne idea was conceived of using electric signals transmitted through a submarine cable to guide ships past dangerous places. But it was not until Prof. R. B. Owens, of McGill University, began investigating the subject that what is now known as the leader cable system took practical shape. Prof. Owens took out certain patents in 1901-3, and these were later presented to the Admiralty, which has decided to allow anyone who wishes to do so to use them without paying royalty.
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The Leader Cable System. Nature 106, 760–762 (1921). https://doi.org/10.1038/106760a0
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DOI: https://doi.org/10.1038/106760a0