Tall's Engine Room Telegraph

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Tall's Engine Room Telegraph, c. 1886[1]

Tall's Engine Room Telegraph was an electrical shipboard transmitter/receiver pair which could convey any of 13 indicators over 3 wires.

It, and a companion Tall's Helm Indicator were derived from Tall's Distance Indicator first seen in 1885.[2]

It was being evaluated alongside other electrical designs in 1886.[3]

Design and Evaluation

[TO BE CONTINUED - TONE]

See Also

Footnotes

  1. Annual Report of the Torpedo School, 1886. Plate 23.
  2. Annual Report of the Torpedo School, 1885. p. 75.
  3. Annual Report of the Torpedo School, 1886. p. 87.

Bibliography

  • H.M.S. Vernon. Annual Report of the Torpedo School, 1886. Copy 92 at The National Archives. ADM 189/6.