Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,187 pages of information and 233,421 images on early companies, their products and the people who designed and built them.
of Salford, a small textile-chain making business
1862 Patent. '3073. To John Schofield Clegg, of Oldham, in the county of Lancaster, and James Slater, of the same place, Machinists, for the invention of "certain improvements in carding engines."'
1864 Patent. '2515. To James Slater, of Salford, in the county of Lancaster, Chain Maker, for the invention of "improvements in toothed chains for working toothed or chain wheels."' Slater introduced the roller into chains. Prior to this time transmission chain consisted of only pins and plates
1866 Patent. '2907. And Samuel Hand, of Hulme, and James Slater, of Salford, both in the county of Lancaster, have given the like notice in respect of the invention of "improvements in railway signals."'
1866 June. 'Yesterday afternoon a trial of a patent for providing more ready means of communication between railway passengers and guards, took place at the Patent Chain Works, belonging to the inventors. Messrs. Hand and Slater....[description of device]'