Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,400 pages of information and 221,179 images on early companies, their products and the people who designed and built them.
of Marsland Road, Brooklands, Manchester.
UK subsidiary of the Barber-Colman Company, USA. Wikipedia entry for Barber-Colman.
1940 Advert. Lock washers and locking terminals. 
1945 Advert. Lock washers and locking terminals.