Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,470 pages of information and 233,895 images on early companies, their products and the people who designed and built them.
of 264-270 St. John Street, Clerkenwell, London, EC1. Telephone: Clerkenwell 2917-3760
1947 British Industries Fair Advert as Clock-Makers of high grade springwound, pendulum or lever spring types in modern wood, plastic or metal cases, for domestic use. (Jewellery, Electro-Plate, etc. Section - Olympia, Ground Floor, Stand No. E.1775) 
1960 Patent - Improvements in or relating to clockwork escapement mechanisms. 
1962 Patent - Improvements in or relating to electric timing devices. 
1968 Flight recorders for BEA. Part of Bentima Group.