Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,904 pages of information and 225,312 images on early companies, their products and the people who designed and built them.
of Clydesdale Ironworks, Possilpark, Glasgow, Engineers and Contractors.
1896 A. and J. Main and Co was incorporated as a public company.
1919 Armstrong Whitworth purchased a controlling interest in A. and J. Main and Co, construction engineers, and formed Armstrongs and Main. Armstrong Whitworth's engine works were transferred from Elswick to Glasgow to enable the new company to offer the complete supply for construction projects, such as pumps and docks.
1922 Specialities: steel buildings, bridges and constructional steelwork of all kinds, air compressors, electric and hydraulic cranes, capstans, dock gates fencing, etc.
1923 A and J Main and Armstrong-Whitworth separated again; Main's sold their Bridge Shops to Armstrong-Whitworth, and confined themselves, so far as bridge work is concerned, to the lighter types.