Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 142,989 pages of information and 229,205 images on early companies, their products and the people who designed and built them.
William Ridgway and Sons Ltd. of Oscar Works, Edward Street, Sheffield.
of Oscar Works, Rockingham Street, Sheffield.
1878 Company founded.
1909 Private company.
1937 Manufacturers of augers, bits, wood-boring and motorising tools. 
1961 Wood boring tool manufacturers.