Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 134,776 pages of information and 213,825 images on early companies, their products and the people who designed and built them.
of 2 Transport Avenue, Great West Road, Brentford, Middlesex (Research Department). Telephone: Ealing 6272
1942 Patent - Improvements in thermocouples. 
1945 Patent - Improvements in the manufacture of concrete and like slabs. 
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Geiger-Muller Tubes and Equipment for alpha Beta and Gamma Measurements and X-Ray Spectrum analysis both portable and Laboratory Types. Also Autotimer Apparatus for X-Ray Exposure. (Olympia, Ground Floor, Stand No. D.1680)