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 148,476 pages of information and 233,896 images on early companies, their products and the people who designed and built them.


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November 1923.
June 1924.
November 1927. Portable Five.
November 1927. Ethodyne.
December 1927.
May 1935.
c early 1950s. Riverside works - H25 Trainer Room?
c early 1950s. Riverside works - Electronic Lab.
Possibly late 1950's. Riverside works from east.
Date unknown. West Street, yard from Gate House.
Demolition date. Riverside Works.
Sept 1953.
c1961/62 Dartford Heath. Jim Holmes. Sarbe Trials.
c1980s. Radio/ TV Lab, West Street.
c1983. Production floor.
c1983. Production floor.
c1983. Production floor.

of Aldine House, Bedford St, Strand, London (pre 1926)

of Blackheath (1926)

of Light Gun Works, Erith (1935)

and South Shields and Dundee

1922 First All-British Wireless Exhibition: manufacturers of wireless apparatus[1].

One of the 12 (sic) founders of the British Broadcasting Company[2].

1923 Advert for Ethophone V wireless receiver and Ethovox loudspeakers[3].

1924 Advert for crystals.

1925 Burndept Wireless Ltd formed with a public issue of shares to take over Burndept Ltd, which is believed to have as large an output of sets as any licensed manufacturer in the UK[4]. Making various components, such as vernier dials and valves.

1931 Private company formed.

1932 Name changed.

1934 T. N. Cole, previously managing director of Lissen Ltd purchased the Burndept radio company and set up the Vidor battery company, in direct competition with Lissen/Ever-Ready.

1935 Advert for portable radio: Light Gun Factory, Erith, Kent

1930s Made televisions and radiograms[5].

1939 Located at Light Gun Factory, Erith, Kent; dry batteries[6].

WW2: Military electronics and electric cookers[7].

1954 Adverts by Burndept-Vidor for production engineer and draughtsmen for Dundee factory[8].

1961 Engaged as manufacturers of radio and television receivers and components, dry batteries and domestic electrical goods, electronic and nucleonic apparatus. 2,000 employees.

c.1962 Acquired by Royston Industries

1966 Royston Industries announced that Vidor Ltd/Burndept Ltd had received an important contract from STC; this would further establish the VIDOR name internationally[9].

1968 Crompton Parkinson purchased the Vidor (dry battery) and Burndept (installer of battery making factories) subsidiaries of Royston Industries[10] from the receiver.

1968 Ever Ready acquired the factory and some assets of Burndept Electronics Ltd, maker of Sarbe beacons ; the business would continue and would be used to expand the company's interests in electronics and industrial lighting[11]. See Burndept Electronics (E.R.) Ltd, Erith..

See Also


Sources of Information

  1. The Times, 28 September 1922
  2. The Times 16 June 1971
  3. The Times, 12 December 1923
  4. The Times, 3 April 1925
  5. The Times 16 June 1971
  6. The Times, 10 June 1939
  7. The Times 16 June 1971
  8. The Times, 16 March 1954
  9. The Times, 4 August 1966
  10. The Times, 13 February 1968
  11. The Times June 17, 1968