Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,716 pages of information and 247,105 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
1904 William Gilbert James re-commenced business as Crypto Car and Cycle Co. of 14 Mortimer Street, London, principally making valves for i.c. engines
1917 The Crypto Car and Cycle Co of Mortimer St, Regent St, London, was advertising special engine valves; proprietor W. G. James
By 1934 the business was exclusively devoted to valve production.
Some chance of confusion with Crypto Works Co
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