Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,814 pages of information and 211,901 images on early companies, their products and the people who designed and built them.

Sunvic Controls

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April 1946. Simmerstat.
December 1946.
1955. Thermostat for controlling temperatures accurately.[1]

of Stanhope House, Kean Street, Aldwych, London, WC2. Telephone: Temple Bar 7064 (5 lines). Cables: "Sunvic, Estrand, London"

1933 Company formed, within the AEI group; responsible for sales of a vacuum switch developed by Metropolitan-Vickers.

1947 Listed Exhibitor - British Industries Fair. Manufacturers of Relays: Electronic Hotwire and Bimetal. "No-loss" Energy Regulators. Time Delays, Thermostats: Adjustable Glass-sealed Oven and Water-heater. Ambient Temperature Recorders. Resistance Thermometer and Toluene Regulator Controllers. Simmerstat Hot-plate Controls. Electronic Relay. (Olympia, Ground Floor, Stand No. A.1041) [2]

By 1952 was a fully-owned subsidiary of AEI

1957 Responsible for the complete instrumentation for the 3 Merlin nuclear research reactors under development and for instrumentation for the Berkeley Nuclear Power Station[3]


  • Now located near Glasgow, in Scotland, the company has its own website: [1]

See Also


Sources of Information

  1. Oxford Junior Encyclopaedia. Volume VIII. Engineering. Oxford University Press, 1955.
  2. 1947 British Industries Fair p268
  3. The Times, Apr 04, 1957