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British Industrial History

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Simms Motor Units

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March 1916.
March 1916. Folding tyre pump.
April 1916. 'Lion' hand horn.
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Simms Motor Units of Percy Buildings, Greese St, Rathbone Place, London and of Oak Lane, East Finchley, London N2.

1913 Frederick Simms started another business, Simms Motor Units, initially as a sales and repair organisation for motor components, especially dynamos and magnetos. Manufacture was initially undertaken by others on behalf of the firm

WWI An important source of components for the company was the Simms Magneto Co of New Jersey, established by Simms in 1910.

1915 A subsidiary, the Standard Insulator Co, was established

The English workforce grew from twelve in 1913 to more than 300 by early 1919.

1920 October. Exhibited at the Commercial Motor Exhibition at Olympia with magneto equipment for commercial vehicles

1920 Simms established Simms Motor Units (1920) in extensive new premises in East Finchley, the Grange Works, where a variety of magnetos would be produced. The motor accessory department had been moved into the new works and the Wardour St premises given up. The magneto repair department was moved from 46-48 Foley St to 37 Percy St, London W. Had established a network of agents in UK and abroad, including handling exports from the American Simms Magneto Co[1]

1920 The Kilburn works were virtually destroyed by fire.

1926 Substantial business in supplying magnetos and electric service for every kind of vehicle, in UK and abroad; the number of customers was about 11,500, about double that of 5 years previously. The company was renamed Simms Motor Units Ltd[2]. The East Finchley works was reopened in the summer; half was occupied by Standard Insulator Co[3]

1928 Simms Motor Units acquired the 75 percent of Standard Insulator that it didn't already own[4]. Standard Insulator made vulcanite components for the Simms magnetos; it also sold enamelled wire, wireless components and other electrical items to which it had sole rights in the UK.

1930 the company began to move in new directions to match changing automotive technology, particularly the change from magnetos to dynamos; this resulted in the company making losses for some years.

1930 The works at Percy Buildings were moved to the factory at East Finchley[5]

1935 Frederick Simms resigned from Simms Motor Units.

1937 Magneto and petrol gauge manufacturers. "Uniflow" Diesel Fuel Pumps jointly developed with Leyland Motors. [6]

1938 Sales of diesel equipment had begun.

1939 Sales of aircraft magnetos began.[7]

1939 See Aircraft Industry Suppliers

1944 Producing Uniflow injection pumps for diesel engines.

1944 Advert for Fuel Injection Equipment.

1954 Continued expansion of engineering activities; acquired H.S.M. Ltd, a non trading company, which owned Horstman Ltd of Bath.[8]

1956 Acquired Mono-Cam of Molesey, developers of fuel injection pumps, from Southern Areas Electric Corporation who had acquired patent rights but decided not to develop the fuel injection pump.[9]

1956 Acquired Hadrill and Horstmann of London, makers of counterpoised adjustable lamps, Clearex Products Ltd, R. F. Landon and Partners which manufactured Kingsway burners and other oil-fired equipment. Formed Simplus Products to exploit various domestic products[10]. Continuing its planned diversification, the company acquired Industrial Fan and Heater Co of Birmingham.[11]. Acquired one-third of the shares in Aircraft Steel Structures Ltd.[12]

1957 Simms Motor Units took over Motor and Electronics Corporation; the company name was changed to Simms Motor and Electronics Corporation; as a result Simms Motor Units became a private, holding company.[13]

1961 Manufacturers of diesel fuel injection, electrical and other equipment for commercial vehicles and marine and industrial engines. 1,800 employees. [14]

1963 Motor Show exhibitor. Fuel injection systems. [15]

1968 Simms Group, including Simms Motor Units was taken over by Lucas and integrated with the CAV division.

Manufacturing in East Finchley was steadily run down and the factory closed in 1991 to be redeveloped for housing. It is commemorated by Simms Gardens and Lucas Gardens.[16]

See Also


Sources of Information

  1. The Times, Jun 24, 1920
  2. The Times, Apr 15, 1926
  3. The Times, Apr 21, 1927
  4. The Times, Jan 17, 1928
  5. The Times, Apr 29, 1930
  6. 1937 The Aeroplane Directory of the Aviation and Allied Industries
  7. The Times, May 15, 1939
  8. The Times, Aug 02, 1955
  9. The Times 12 May 1956
  10. The Times, Jul 30, 1956
  11. The Times, Oct 09, 1956
  12. The Times, Jul 29, 1957
  13. The Times, Dec 07, 1957
  14. 1961 Dun and Bradstreet KBE
  15. 1963 Motor Show
  16. Wikipedia
  • The Engineer of 29th October 1920 p426
  • The Modern Diesel edited by Geoffrey Smith. Published by Iliffe & Sons 1944
  • AA. [1] Image courtesy of Aviation Ancestry
  • Biography of Frederick Simms, ODNB [2]