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Cold workers of steel, of Crown Steel and Wire Mills, Sheffield, 9. Telephone: 41144. Telegraphic Address: "Crown, Sheffield". (1937)
of Trubrite Works, Meadow Hall, Sheffield. Telephone: Sheffield 387272. Telex 54165. Grams: Crown, Sheffield, 9. (1950s)
Arthur Lee started business at a small wire-drawing mill in the Porter Valley district of Sheffield
Three years later the business was transferred to the Crown Works in Sheffield.
1894 Company incorporated  as successor to the original company.
1908 'Three men were injured and a workshop was wrecked, by the bursting of huge flywheel at the works of Arthur Lee and Sons, Sheffield. Pieces of the wheel, weighing several hundredweights, were hurled hundreds of yards.' 
1919 Mr John Baggott resigned post as chief engineer to the company to take up the post of works amnager to the Conqueror Typewriter Manufacturing Co.
1937 Manufacturers of steel wire, hot and cold rolled strip, bright bars and stainless steel. "FreeLeecase" Case-Hardening Steel. "FreeLeecut" Free Cutting Steel. "Sing Leequench" Case-hardening Steel. "Trubrite" Corrosion Restisting Steel. 
1937 Listed Exhibitor - British Industries Fair. Hot Rolled Steel Strip. Cold Rolled Steel Strip. Bright Drawn Steel Bars. Steel Wire (various) and Wire Rods. Stainless Steel Strip and Wire. Streamline Wires and Tie Rods. (Stand No. D.622) 
1939 See Aircraft Industry Suppliers
1949 G. Wilton Lee is elected chairman in succession to Percy Wilton Lee. Mention chairman of Arthur Lee and Sons (Hot Rolling Mills) and Arthur Lee and Sons (Cold Strip).
1954 Acquired Arthur Lee and Sons (Hot Rolling Mills) Ltd and Arthur Lee and Sons (Cold Strip) Ltd from the Holding and Realization Agency, so regaining ownership of the businesses which had been nationalized . Development continued of Shipmans (Sheffield) Ltd and of Steel and Strap Platers Ltd; the association with Glover Brothers (Mossley) Ltd continued to be fruitful.
1958 Formation of Arthur Lee Investments to hold trade investments including Anglo-Canadian Wire Rope Co and Glover Brothers (Mossley) in order to mitigate the effects of any possible renationalisation of the steel industry
1960 Advert. Hot and cold rolled steel, sheet, bright steel bars, high strain steel wire etc. 
1967 One of the larger steel re-rollers not subject to nationalisation
1974 Peter Lee is managing director. Jest invested £2m on a stainless steel project.
1993 Acquired by Carclo