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 130,401 pages of information and 207,072 images on early companies, their products and the people who designed and built them.

Radio Transmission Equipment

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of 45 Nightingale Lane, Balham, London, SW12.

of 111 Charing Cross Road, London, WC2

1937 Manufacturers of wireless/telegraphy apparatus as applied to aircraft. Formed by Plessey Co, Philips and Mullard Wireless Service Co [1] [2]

1939 See Aircraft Industry Suppliers

By 1959 was known as Mullard Equipment Ltd

By 1960 the company was Research and Control Instruments Ltd[3]

See Also


Sources of Information

  1. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  2. Flight Magazine 14th March 1935
  3. The Times, Jun 25, 1960