Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 135,412 pages of information and 217,030 images on early companies, their products and the people who designed and built them.
Dean, Smith and Grace of Keighley were machine tool makers, renowned for their high quality lathes.
1855/65 Company founded.
1888 Partnership change. '...the Partnership heretofore subsisting between us the undersigned, Joseph Dean, James Smith, John Grace, and George Ramsden, carrying on business as Machine Tool Makers, at Worth Valley Tool Works, Keighley, under the style or firm of Dean, Smith, and Grace, has been dissolved, by mutual consent, as and firm the 1st day of January, 1888. All debts due to and owing by the said late firm will be received and paid by the said James Smith and John Grace, who on their account only will carry on the business under the old name of Dean, Smith, and Grace...'
1900 Crank Shaft Lathe. Article and illustration in 'The Engineer'
1904 Description in the American Machinist of a new range of lathes designed to take advantage of the new high speed steel cutting tools. Test on a 16" centre height lathe show that it removed 1800 lbs of chips per hour.
1908 Private company formed as Dean, Smith and Grace (1908) Ltd.
1911 12 inch Centre lathe.
1920 September. Exhibited at the Machine Tool and Engineering Exhibition at Olympia with a lathe designed for repetition work of a varied nature 
1923 Name changed.
1927 See Aberconway for information on the company and its history
1949 Death of Sir Harry Smith, managing director
1961 Lathe makers. 700 employees 
1968 Numerical controlled lathe. (Dean, Smith and Grace) 
1995 Company in liquidation
Lathe. Exhibit at Bradford Industrial Museum