Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 139,008 pages of information and 225,314 images on early companies, their products and the people who designed and built them.
of Station Road, Merton Abbey, London, SW19. Telephone: Liberty 3406. Cables: Rototherm, London"
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Bi-metallic Dial Thermometers also Vapour Pressure and Mercury in Steel types for all industrial apparatus. Desk and Wall Thermometers for room and factory temperatures. (Olympia, Ground Floor, Stand No. D.1687)