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).
Memo regarding the design work timeline for a marine engine.
| Identifier | ExFiles\Box 133\3\ scan0169 | |
| Date | 9th April 1940 | |
| 1128' To RM.{William Robotham - Chief Engineer} 9. IV. 40. MARINE ENGINE The design work will take 8 working weeks. Rm{William Robotham - Chief Engineer} JNR.{Charles L. Jenner} There is a holiday in between. | ||