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).
Rm to HH requesting detail drawings for DES.220.
| Identifier | ExFiles\Box 136\3\ scan0113 | |
| Date | 20th December 1940 | |
| Rm{William Robotham - Chief Engineer}/HH. from Rm.{William Robotham - Chief Engineer} R Sulton (handwritten) Rm.{William Robotham - Chief Engineer}7/ML.20.12.40. Will you please let me have detail drawings of DES.220. Rm.{William Robotham - Chief Engineer} 1139 (handwritten) | ||