Tall's Helm Indicator

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Tall's Helm Indicator, c. 1886[1]

Tall's Helm Indicator was an electrical shipboard transmitter/receiver pair which provided a visual indication of the tiller position.

It, and a companion Tall's Engine Room Telegraph were derived from a 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 22.
  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.