Submarine Signalling.
The Admiralty have decided to make experiments with an American system of submarine signalling, and the cruiser Antrim is to be fitted with the apparatus at Chatham under the direction of Mr J. D Millet, an official of the Submarine Signalling Company, of Boston, America By means of this system submerged bells can be heard by large vessels at a distance of from twelve to eighteen miles, and it is possible to communicate messages as well as to warn shipping of coast dangers in case of fog
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https://paperspast.natlib.govt.nz/periodicals/P19061101.2.21.7
Bibliographic details
Progress, Volume II, Issue I, 1 November 1906, Page 12
Word Count
89Submarine Signalling. Progress, Volume II, Issue I, 1 November 1906, Page 12
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