From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Requesting an official order for the fitting of tungsten points to battery ignition components.
| Identifier | ExFiles\Box 35\5\ scan 168 | |
| Date | 31th December 1920 | |
| X2894 To O.O. from EFC. EFC/AT1/S31.12.20. X. 2894. TUNGSTEN CONTACTS. Will you kindly send an official order to The Tungsten Manufacturing Co. Ltd., Thanet House, 231/2 Strand, London, W.C.2, for the fitting of tungsten points to the half dozen blades and screws of our battery ignition. EFC. | ||