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of Watford, Herts. (1923)
1839 Formed as a watch-making company
1904 Commenced making automotive components
1905 Moved to Watford
1920 February. Issued catalogue of magnetos. 
1920 October. Exhibited at the Commercial Motor Exhibition at Olympia with magneto equipment for commercial vehicles. 
1926 Employing 630 on a 115,460 sq. ft. factory
1927 Watford magnetos.
1933 North and Sons Ltd, then one of the leading manufacturers of magnetos and also a manufacturer of speedometers and other instruments for motor vehicles, was purchased by Lucas in 1933 for £22,347. Lucas subsequently recovered half the purchase price from Smiths. Joseph Lucas Ltd took over the magneto side of the business and Smiths the instrument side.