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Turton Brothers and Matthews of Wentworth Street and Neepsend Lane, Sheffield; and 34 Gracechurch Lane London
1860 Company founded.
1879 Partnership dissolved. '... the undersigned, Frank Turton and Thomas Bright Matthews, carrying on business at Sheffield, in the county of York, as File and Steel Manufacturers, under the style or firm of Turton Brothers and Matthews, was, on the 29th day of July, 1879, dissolved by mutual consent; and that the said business will be continued by the said Thomas Bright Matthews on his own account, under the same style or firm...'
1897 Private company.
1901 Directory: Railway Spring Manufacturers. 
1914 Directory: Steel Manufacturers of File and Spring Works, Sheffield. 
1914 Steel manufacturers. Specialities: tool steel of all kinds, files, railway springs and shear blades. 
1914 Directors: Wilfred A. Matthews (Chairman), Denis Conway Wightman, Ronald W. Matthews (Managing Directors), Major Durham S. Matthews.
1925 Mr George Bradshaw was appointed to the board of the company. He was for many years before manager of the firm's Spring Works in Neepsendlane.
1937 Manufacturers of tool steel, springs, magnets and small tools. 
1961 Manufacturers of high speed steels and alloy tool steels, coil springs, permanent magnets, shear blades, twist drills, lathe and planer tools, tool bits and small tools. 250 employees.