Tall's Distance Indicator
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Tall's Engine Room Telegraph, c. 1886[1]
Tall's Distance Indicator was an electrical shipboard transmitter/receiver pair which could convey distances from 300 to 3700 yards.[2]
Design and Evaluation
[TO BE CONTINUED - TONE]
See Also
Footnotes
Bibliography
- H.M.S. Vernon. Annual Report of the Torpedo School, 1885. Copy 21 at The National Archives. ADM 189/5.