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).
Continuation page specifying that certain parts are only applicable to a Ripplet with a 3 1/4 inch bore.
| Identifier | ExFiles\Box 118\1\ scan0240 | |
| Date | 25th April 1940 guessed | |
| Cont'd.{John DeLooze - Company Secretary} that these parts will only be applicable to Ripplet (3 1/4 bore) Rm{William Robotham - Chief Engineer}/HH. | ||