Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,138 pages of information and 233,396 images on early companies, their products and the people who designed and built them.
of Openshaw, Manchester
Note: This is a sub-section of Armstrong Whitworth.
Developed from the machine tool business of Joseph Whitworth and Co
Designed and made the Whitworth Guide Screw Machine for the War Office, used for gauging and correcting threads up to 6" diameter and 4 ft long, and a standard screw cutting and testing machine for the National Physical Laboratory, designed by T. Matthews.
1928 the machine tool business was acquired by Craven Brothers; the staff transferred to Reddish where the products were manufactured.