Vickers Range Clock

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A Vickers Range Clock's mechanism revealed.[1]

The Vickers Range Clock was a simple clockwork range clock, Admiralty Pattern Number 3778[1] built by Vickers to a conceptual design suggested by Percy Scott. It was built in large numbers starting in 1906.[2]

By 1920, there were several models:[3]

  • Pattern 105 with a single-friction disc and rate drum with spiral scale
  • Pattern 710 similar, with a double-friction disc and rate drum
  • Pattern 816 with double-friction works and cyclometer range counter
  • Pattern 3778 with double friction works and rate dial
  • Vickers' Transmitting Clock
  • Vickers' Transmitting Clock Mark F
  • Elliott's Range Keeping Instruments Marks I and II (obsolescent in 1920)
  • Elliott's Range Keeping Instruments Marks III and IV

See Also

Footnotes

  1. ↑ 1.0 1.1 Admiralty. Pamphlet on Minor Fire Control Instruments, 1946, Plate 4.
  2. ↑ Brooks, John. Dreadnought Gunnery and The Battle of Jutland: The Question of Fire Control p. 25.
  3. ↑ Manual of Gunnery for HM Fleet, Volume III, 1920, pp. 19-20

Bibliography

  • Admiralty, Gunnery Branch (1946). Handbook On Minor Fire Control Instruments 1946. B.R. 1534. Copy at Admiralty Library, Portsmouth, United Kingdom. A partial web equivalent is available at H.N.S.A..
  • Template:BrooksDreadnoughtGunnery

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