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).
Note on the development required for a new type of change speed lever.
| Identifier | ExFiles\Box 82\1\ scan0144 | |
| Date | 24th July 1933 | |
| -2- Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}6/KT.24.7.33. (5) Change Speed Lever. The change speed lever on this car is the first of its kind. It requires some development work to get it right. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||