Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 132,804 pages of information and 210,387 images on early companies, their products and the people who designed and built them.
of 64 Victoria Street, London, SW1.
of 183 Westminster Bridge-road, London SE1.(1922)
of Rose Street, Inverness
1922 The A-I Electric Welding Appliances Company was purchased from the proprietors, Mr James and Mr Dudley Forman, of Messrs, Thomas Forman and Sons as from December 1st 1921 the A.-I. Manufacturing Co, Industry Works, Sunbridge-road, Bradford. The Bradford Works were closed down and the A-I Electric Welding Appliances Company - the proprietor of which was the Rose-street Foundry and Engineering Co - started manufacturing the A-I electric butt, spot and seam resistance welding machines, also electric heating machines at its Inverness Works.
1937 Electric resistance welding machine manufacturers. "A-I" Welders.
1944 James McGregor Sinclair, managing director of A.I. Electric Welding Machines Ltd was awarded an MBE
1969 James McGregor Sinclair, managing director of A.I. Welders Ltd was awarded an OBE
1972 Order for automatic welding equipment received by AI Welders from India
2002 Due to the company restructuring, there was an auction of machine tools - via Henry Butcher and Co.