Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,451 pages of information and 221,477 images on early companies, their products and the people who designed and built them.
of Tariff Road, Tottenham, London, N17. Telephone: Tottenham 3701. Cables: "Smoothryte, Tottenham"
1919 Company formed by John Alfred Prestwich to use new manufacturing processes designed by him
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Black Lead and Coloured Crayon Pencils. (Stand No. R.21) 
1951 May 17th. Fire causes serious damage to their premises