Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,457 pages of information and 230,061 images on early companies, their products and the people who designed and built them.
of 49 Queen Victoria Street, London EC4
of 17 Newnham Road, Woodgreen, London N22. (1925)
of 62 Finsbury Pavement, London, EC2. Telephone: NATional 0502. (1937)
1913 Advert for locking device for nuts; and spanners (of 115 Newgate Street, London EC) 
1917 Advert for locking device for nuts (of 159-161 Great Portland Street, London W1) 
1919 Advert for locking device for nuts (of 49 Queen Victoria Street, London EC4) 
1937 Listed Exhibitor - British Industries Fair. "Fastnut" Lock Washers to resist any vibration. "Fastnet" Spanners. Three point contact and ratchet action. "Fastfit" Wrenches. Automatic Adjustment. "Dictator" Door Check and Adjunct Door Spring. All-Steel Bench Legs.(Stand No. B.307)