Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,077 pages of information and 231,598 images on early companies, their products and the people who designed and built them.
Armstrong's Patent Co, of Beverley, maker of shock absorbers
1926 Company founded by F. G. Gordon Armstrong in Eastgate, Beverley.
1930 Became private company: Armstrong's Patents Co
By 1939 Were producing 4,000 shock absorbers a day and employing 450 workers
1945 Son William took over the company, establishing a research and development department in Fulford
1949 Manufacture a new type of suspension unit for Ford cars
1961 Manufacturers of "Armstrong" shock absorbers, "Heli-Coil" screw inserts, "Strongarm" door closers and hydraulic remote controls. 4,000 employees. 
1961 Known as manufacturers of Armstrong shock absorbers, Helicoil screw inserts for the repair of spark plug threads, Strongarm door closers and hydraulic remote controls.
1963 Motor Show exhibitor. Shock absorbers. 
1981 Eastgate works was closed with the loss of 300 jobs.