Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,942 pages of information and 225,312 images on early companies, their products and the people who designed and built them.
of Diatipt Works, North Circular Road, Cricklewood, London N.W.2. Also, of Basingstoke.
1947 Private company.
1955 Company made public.
1961 Merchants of industrial and common quality diamonds and manufacturers of diamond powder and diamond tools. 
1972 Van Moppes received support for a project on a profile grinder from government programme for the machine tool industry