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).
Decision memo favouring a four-part design over a two-part design.
| Identifier | ExFiles\Box 109\3\ scan0012 | |
| Date | 30th August 1940 guessed | |
| .C.A.S.58.FL/1.1m. .m. ou We have to decide whether we have 2 parts or four. ' I favour the latter, and will explain to you. emg Jnr.{Charles L. Jenner} | ||