Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 126,753 pages of information and 199,764 images on early companies, their products and the people who designed and built them.
1872 Company established by William Gilbert James
1884 Listed at 3 Queen Victoria Street, London 
1888 February. Stanley Exhibition of Cycles in Westminster. Tricycle with two front wheels and one rear. 
1890 Jan/Feb. The Stanley Exhibition of Cycles at the Crystal Palace. Tricycle. 
1892 Announced the Crypto Geared Ordinary Bicycle
1904 They produced a light model that was well braced, and fitted it with a modified frame and a 2.5hp Peugeot engine. They also had a heavier model with a 3.5hp MMC engine and flat-belt drive. Also on offer was a range of electrical equipment, suitable for the home and garage.
1905 During that year they took over the agency for the Belgian Kelecom range.
1906-1908 They offered singles and twins, plus a 5hp four.
1909 The company went out of production.
1917 Crypto Motor and Cycle Co advertised.