Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,518 pages of information and 233,949 images on early companies, their products and the people who designed and built them.
of John Street, Castleton, near Rochdale.
of Supersol Works, Castleton. (1929)
of Supersol Works, Pym Street, Hunslet, Leeds (1951)
1856 Company established.
1917 Advert. Manufacturers of sizing ingredients. 
1929 Listed Exhibitor. Manufacturers of "Supersol" the new Scientific Polish Reviver for furniture, pianos, motor cars, perambulators, etc. Removes sweat, bloom, stains, surface marks caused by hot water, alcoholic liquors, ink. For trade and public use. (Stand No. M.95) 
Also see James Eastwood (of Manchester)