Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,197 pages of information and 233,429 images on early companies, their products and the people who designed and built them.
Thomas Ryder and Son of Turner Bridge Iron Works, Bolton.
1870 Reference to Ryders Patent Forging Machine 
1968 Vertical chucking automatic machine 
1970s concentrated on machine tools for automotive manufacturing
1972 Received support for a project on a friction welder from government programme for the machine tool industry 
1979 After the engineering strike of 1979, Ryder's then owner, the Whitecroft Group showed concerns with the risks of being in the capital goods industry.
1980 May: Whitecorft announced it would close the company if it could not be sold within a year. Ryder had a backlog of business and was not allowed to take on any new orders. The workforce was reduced and 350 people left.
1980 After period of continuing losses Whitecroft decided to reduce the size of the business and sell it
1981 March: Purchased by Gulf and Western.