Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 136,336 pages of information and 219,114 images on early companies, their products and the people who designed and built them.
Pytram of Pytram Works, Dunbar Road, New Malden, Surrey. Telephone: Malden 2225-6-7. Cables: "Pytram, New Malden"
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Industrial and Aeronautical Components, Complex Mouldings, Hot Air Ducting, Advertising Models, Decorative and General Display Models, Theatrical and Film Properties, Mechanical Displays and Scale Models, Prototypes, Mock-ups. (Earls Court, 1st Floor, Stand No. 838) 
1948 September. Listed in Flight as supplier to the industry of: Laminated cellulose fibre material for hot air ducts and pipes, fairings, moulded panels, instrument cases, seamless air ducting and prototype models.