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A. C. Wickman Ltd., of Queen Victoria Road, Coventry, Warwickshire, machine tool specialists. Also in London, Manchester and Glasgow.
1928 Tools dealer, of Charterhouse Works, Coventry
1928 Established Wickman Manufacturing Co to make Wimet tungsten carbide cutting tools
1935 Patent - Improvements relating to control arrangements for belt-driven machinery. 
1937 Advert for: "Some Interesting Applications of "Wimet" Brand Cutting Metal". Tips and Tools for Boring, Milling, Drilling, Planing and Turning all kinds of metals; also for Bakelite, Glass, Stone and other highly abrasive materials. "Spedia" Lapping Wheels. (Engineering/Metals/Quarry, Roads and Mining/Transport Section - Stand No. D.508) 
1937 Machine tool specialists. "Spedia" Lapping Wheels and Hand Laps. "Wickman" 10mm. Automatic. "Wickman-Lang" 5/8-in. Automatic. "Wickman-Moulton" Thread Milling Machine. "Wimet" Tool Metal. 
The company designed and patented its own range of multi-spindle automatic production lathes.
1938 Started production of its own design of lathes.
1938 Public company formed to take over as a going concern the business of merchants and machine tool agents Manwick Ltd. (formerly A. C. Wickman) and the Wimet brand tungsten carbide tools business established in 1928 by Wickman Manufacturing Co Ltd. Axel Charles Wickman was chairman and managing director; Cecil Douglas Gay was assistant managing director
1938 AGM: 5-spindle automatic machine would be produced in temporary factory until the new factory was ready
1939 Importing and selling machine tools, and manufacturing machine tools of its own design.
1939 See Aircraft Industry Suppliers
1940 Acquired tungsten carbide tool business of Tool Metal Manufacturing Co Ltd
1940 Established Hard Metal Tools Ltd, in which the company held a controlling interest.
WWII Established Wickman Corporation in America
1948 John Brown and Co acquired the remaining ordinary shares that it did not already own
1948 Public issue of preference shares. Other subsidiaries were:.
See Wickman Ltd. for the further development of this business as a subsidiary of John Brown and Co. A. C. Wickman continued to report as a public company until at least 1951 after which it reported as Wickman