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).
Request to issue an official order for two experimental oil sealing rings to The British Tyre & Rubber Company.
| Identifier | ExFiles\Box 152\2\ scan0273 | |
| Date | 5th December 1940 | |
| To Roy{Sir Henry Royce} from Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} [Handwritten in red] D94 Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby}9/ET.5.12.40. Will you please issue an official order to The British Tyre & Rubber Company, Burton, for two oil sealing rings, made round the mandrel supplied by us. These are for experimental purposes. O/N. 753. Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} | ||