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 148,101 pages of information and 233,633 images on early companies, their products and the people who designed and built them.

N. S. F.

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December 1945
May 1949.
August 1949.

of Ingrow, Near Keighley, Yorkshire.

1931 Nuernberg Schwachstrom Fabriken, a German manufacturing company, set up British NSF Co to import its products.

1932 Private company.

1932 A radio factory was established by British NSF at Croydon; 23 German technicians were brought in for 6 months to train the workers[1]. British manufacture commenced making small components essential to aircraft production.

1934 The Home Secretary gave permission for women and young people to be employed on 2 day shifts in the Wire Winding Dept, at Croydon[2]

WWII NSF was placed under the government’s Custodian of Enemy Property. In one air raid that around 30 employees were killed and several wounded. The Ministry of Aircraft Production relocated the factory to Keighley; the first premises were in Dalton Lane.

Postwar: the Company moved to their current premises at Ingrow Bridge. Began production of resistors, condensers and carbon potentiometers and some switches.

1946 Company made public.

1948 Rothermel Corporation acquired 50 percent of British N. S. F. Co Ltd which manufactured switches under licence from Cutter Hammer Co of Milwaukee, and the Oak Manufacturing Co of Chicago[3]

1950 Started to manufacture the Ledex Rotary Solenoid under licence from Ledex Incorporated

1951 Name changed to NSF Ltd. Started production of rotary wafer switches.

1957 Part of Simms Motor and Electronics Corporation

1961 Manufacturers of switches and controls for the automobile, electronic and radio industries. 1,000 employees. [4]

By 1961 Was a subsidiary of Simms Motor and Electronics Corporation[5]

1965 A minority of the shares was sold to the public[6]. Had made its first contribution to Centralab Ltd, a 50:50 joint venture with a US company (Globe-Union Inc of Milwaukee[7]), which would manufacture miniaturised circuits at a new factory being built at Antrim[8]

1968 Acquired the engineering department of Paton and Co and added their telephone line accessories to the NSF product range[9]. Formed JV with Holzer of Germany: Holzer Controls Ltd[10]

1970 Centralab was a company owned by Lucas and Globe-Union Inc - it acquired Stability Radio Components, maker of capacitors[11].

1980 NSF included in Lucas Industrial Systems; NSF adopted the Lucas brand.

1996 Following the Lucas-Varity merger, there was a management buy-out of NSF

1997 NSF Controls was formed and re-established previous international manufacturing and distribution relationships.


See Also

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Sources of Information

  1. The Times, Friday, May 27, 1932
  2. London Gazette 25 September 1934
  3. The Times, Sep 23, 1948
  4. 1961 Dun and Bradstreet KBE
  5. The Times, May 19, 1961
  6. The Times, Apr 14, 1965
  7. The Times, Sep 23, 1966
  8. The Times, May 06, 1965
  9. The Times, Apr 09, 1968
  10. The Times, Oct 16, 1968
  11. The Times, Jun 04, 1970