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Offices: Hanover Sq, London; Works: West Norwood
1903 Formation of the company to produce Brotherhood cars (1904-1907)
1904 Stanley Brotherhood was chairman
Cars were made in London; Earl Fitzwilliam, the coal magnate, was an investor in the company.
1905 February. Details of their 20 hp car.[1][2][3][4][5][6][7][8]
1905 February. Details of the 20-hp car. Percy Richardson involved in its production.[9][10][11]
1905 November. Details of their 20hp and 40hp cars.[12]
1905 Brotherhood sold its London site and moved to Peterborough but could not get permission to build a car factory so the Earl suggested a move to Sheffield where he built a new factory in Tinsley for the Sheffield-Simplex company to make the cars.
1906 Percy Richardson employed
1908 the first cars to bear the Sheffield-Simplex name appeared designed by Percy Richardson.
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