Thomas Firth and John Brown
Thomas Firth and John Brown of Atlas and Norfolk Works, Sheffield. Telephone: 20081. Telegraphic Address: "Firth, Telex, Sheffield"; "Atlas, Telex, Sheffield". (1937)
Also known as Firth Brown
1930 Thomas Firth and John Brown formed by the merger into Thomas Firth and Sons of the heavy steel interests of John Brown and Co, neighbouring companies in Sheffield. John Brown and Co would own 85% of ordinary shares of the amalgamated business.
1934 New company Firth-Vickers Stainless Steels formed to acquire the stainless steel interests of Thomas Firth and John Brown and the English Steel Corporation, which would jointly own the new company.
1936 The Engineers Tools Department was especially valuable in helping customers machine the steel products. The jointly owned company Firth-Vickers Stainless Steels Ltd was continually finding new uses for its products.
1937 Advert for Firth-Brown Engineers' Tools. Products for the Engineers' Tool Department, including the New Drill Point Grinder, Files, Hacksaws, "Insto" Metal Saws, Milling Cutters, Reamers, and other items made from Firth Speedicut High speed Steels. (Engineering/Metals/Quarry, Roads and Mining/Transport Section - Stand No. D.408) 
1937 Steel manufacturers. "Atlas" Steel. "Firth" Steel. 
1939 See Aircraft Industry Suppliers
1945 Advert for steel carbide. (Thomas Firth and John Brown Ltd) 
1946 Public company Firth Brown Tools formed for purpose of acquiring from Thomas Firth and John Brown Ltd the tools department which had been established around 1900; several directors of John Brown and Co were to be on the board.
1955 On denationalization of Thomas Firth and John Brown, John Brown and Co arranged for its shareholders to have the right to invest in the shares themselves, rather than John Brown and Co acquiring them.
1961 Listed as Thomas Firth and John Brown Ltd of Sheffield and Scunthorpe. Employs 10,000 persons. 
1961 Steel manufacturers handling carbon and alloy steel forged blooms; billets and bars; carbon and alloy steel forgings; hollow forgings; forged steel die blocks; fully-hard, semi-hard and back-up forged steel rolls; slabbing and cogging forged steel rolls; rolled products including carbon and alloy steel billets, slabs, black bars and bright drawn or centreless ground bars, high speed, carbon and alloy tool and die steels, special steels, carbon and alloy tyres, carbon, alloy, stainless and heat resisting steel rings; steel castings; drop forgings in alloy, stainless, special creep-resisting steels and in nimonic and titanium alloys; fusion welded boiler drums and similar pressure vessels; welded fabrications for general engineering; ingots in acid open hearth and electric arc and high frequency steels. 10,000 employees.
1967 One of the larger steel makers that was not subject to nationalisation
1972 The nationalized British Steel made an agreement with the private sector Thomas Firth and John Brown to rationalise stainless steel operations by taking over the rolling of strip and plate; Thomas Firth and John Brown would retain the Firth Vickers company.
Sources of Information
- The Times, 23 June 1931
- The Times, 12 July 1934
- The Times, 27 June 1936
- 1937 British Industries Fair Advert p622; and p363
- 1937 The Aeroplane Directory of the Aviation and Allied Industries
- Mechanical World Year Book 1945. Published by Emmott and Co of Manchester. Advert p87
- The Times, Dec 28, 1946
- Hansard 19 February 1951
- The Times, 27 September 1952
- The Times, 19 March 1955
- The Times, 26 September 1953
- The Times, 29 January 1960
- 1961 Guide to Key British Enterprises
- 1961 Dun and Bradstreet KBE
- The Times, Apr 26, 1967
- The Times, 3 May 1972
- The Engineer 1974/04/25