• Thumbnail for Vickers range clock
    The Vickers Range Clock was a clockwork device used by the Royal Navy for continuously calculating the range to an enemy ship. In 1903, Percy Scott described...
    5 KB (797 words) - 00:14, 24 October 2023
  • Thumbnail for Dumaresq
    target ship. It was often used with other devices, such as a Vickers range clock, to generate range and deflection data so the gun sights of the ship could...
    13 KB (1,908 words) - 01:14, 12 February 2025
  • 4.5 inch Mark 8 naval gun Admiralty Fire Control Table - retired Vickers range clock - retired British 18 inch torpedo British 21 inch torpedo British...
    8 KB (899 words) - 15:57, 23 November 2024
  • Thumbnail for QF 3.7-inch AA gun
    During the 1920s, Vickers developed the Vickers range clock (Predictor No 1), an electro-mechanical computer that took height and range data from an optical...
    23 KB (2,715 words) - 08:00, 21 July 2025
  • Thumbnail for Analog computer
    target ship. It was often used with other devices, such as a Vickers range clock to generate range and deflection data so the gun sights of the ship could...
    57 KB (7,061 words) - 06:20, 19 July 2025
  • Thumbnail for HMS Dreadnought (1906)
    transmitted to Vickers range clocks located in the Transmitting Station located beneath each position on the main deck, where it was converted into range and deflection...
    46 KB (5,826 words) - 12:43, 7 May 2025
  • Thumbnail for Bellerophon-class battleship
    transmitted to Vickers range clocks located in the transmitting station located beneath each position on the main deck, where it was converted into range and deflection...
    30 KB (3,516 words) - 20:04, 23 February 2025
  • Thumbnail for Orion-class battleship
    transmitted to Vickers range clocks located in the transmitting station located beneath each position on the main deck, where it was converted into range and deflection...
    33 KB (3,988 words) - 10:24, 18 May 2025
  • Thumbnail for Colossus-class battleship (1910)
    transmitted to Vickers range clocks located in the transmitting station located beneath each position on the main deck, where it was converted into range and deflection...
    30 KB (3,708 words) - 00:09, 19 April 2025
  • Thumbnail for HMS Neptune (1909)
    into a Dumaresq mechanical computer and electrically transmitted to Vickers range clocks located in the transmitting station located beneath each position...
    34 KB (4,230 words) - 15:00, 30 June 2025
  • Thumbnail for Vickers Wellington
    The Vickers Wellington (nicknamed the Wimpy) is a British twin-engined, long-range medium bomber. It was designed during the mid-1930s at Brooklands in...
    63 KB (8,172 words) - 22:25, 20 July 2025
  • Thumbnail for St Vincent-class battleship
    into a Dumaresq mechanical computer and electrically transmitted to Vickers range clocks located in the transmitting station located beneath each position...
    32 KB (3,952 words) - 05:13, 19 June 2025
  • Thumbnail for HMS Saladin (1919)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    19 KB (2,090 words) - 21:53, 20 January 2025
  • Thumbnail for Invincible-class battlecruiser
    transmitted to Vickers range clocks located in the Transmitting Station located beneath each spotting top where it was converted into range and deflection...
    52 KB (7,130 words) - 10:53, 26 February 2025
  • Thumbnail for HMS Scout (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    20 KB (2,172 words) - 17:57, 29 November 2024
  • Thumbnail for HMS Scotsman (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    14 KB (1,440 words) - 20:50, 15 October 2024
  • Thumbnail for HMS Stonehenge (1919)
    control included a training-only director, single Dumaresq and a Vickers range clock. Laid down by Palmers at their dockyard in Jarrow, Stonehenge, the...
    12 KB (1,153 words) - 11:18, 29 December 2024
  • Thumbnail for Indefatigable-class battlecruiser
    transmitted to Vickers range clocks located in the Transmitting Station (TS) located beneath each spotting top where it was converted into range and deflection...
    52 KB (7,082 words) - 10:51, 2 June 2025
  • Thumbnail for Percy Scott
    device, later developed by Vickers and Scott as the Vickers range clock, that automatically kept track of the changing range to an enemy ship. During a...
    41 KB (5,974 words) - 14:02, 25 May 2025
  • Thumbnail for HMS Seabear (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    14 KB (1,416 words) - 20:50, 15 October 2024
  • Thumbnail for HMS Seawolf (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. One of nine...
    14 KB (1,426 words) - 15:36, 26 June 2025
  • Thumbnail for HMS Steadfast (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    13 KB (1,313 words) - 22:20, 26 November 2024
  • Thumbnail for HMS Sterling (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    12 KB (1,173 words) - 22:19, 26 November 2024
  • Thumbnail for HMS Sparrowhawk (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. Laid down on September 1917 during the First World War by Swan Hunter...
    13 KB (1,365 words) - 11:42, 9 April 2025
  • Thumbnail for HMS Searcher (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. One of nine...
    15 KB (1,603 words) - 20:50, 15 October 2024
  • Thumbnail for HMS Tintagel (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. Laid down on 10 September 1917 during the First World War by Swan...
    12 KB (1,172 words) - 22:19, 26 November 2024
  • Thumbnail for HMS Sirdar (1918)
    control included a training-only director, single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    16 KB (1,674 words) - 22:20, 26 November 2024
  • Thumbnail for HMS Sardonyx (1919)
    a training-only director, single Dumaresq analog computer and a Vickers range clock. Laid down on 25 March 1918 shortly before the end of the First World...
    30 KB (3,558 words) - 10:20, 30 January 2025
  • Thumbnail for HMS Sesame (1918)
    torpedo to be carried. Fire control included a single Dumaresq and a Vickers range clock. The ship had a complement of 90 officers and ratings. Laid down...
    13 KB (1,344 words) - 23:03, 29 October 2024
  • Thumbnail for HMS Stormcloud (1919)
    control included a training-only director, single Dumaresq and a Vickers range clock. Laid down during the First World War by Palmers at their dockyard...
    12 KB (1,212 words) - 20:22, 2 January 2025