Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 145,350 pages of information and 230,731 images on early companies, their products and the people who designed and built them.
of 286 High Holborn, London, WC. (1914); of New Eltham, London S.E.9. (1949)
of New Eltham, London, SE9. Telephone: Eltham 3836. Cables: "Turnstile, London" and "Polaris, London"
1885 Won Gold Medal in the Inventions Exhibition.
1900 Incorporated as a limited company.
1914 Opticians, surveying and mathematical instrument manufacturers. Specialities: surveying, meteorological and drawing instruments, spectacles and other instruments for scientific purposes. Employees 550. 
By 1937 had incorporated Heath and Co
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Theodolites, Levels, Surveying Equipment Planimeters, Pantagraphs, Integrators, Drafting Machines, Drawing Instruments, Drawing Office Equipment, Binnacles, Compasses, Binoculars, Sextants, Sounding Machines, Navigational Equipment, Thermometers, Barometers, Meteorological Equipment, Optical Components, Light Engineering. (Olympia, Ground Floor, Stand No. A.1068)