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).
Car modifications including a slipper wheel and pistons, before proceeding to Le Canadel for testing.
| Identifier | WestWitteringFiles\R\2December1927-February1928\ Scan128 | |
| Date | 21th January 1928 guessed | |
| contd :- -2- (10) Modified slipper wheel. (11) Modified pistons. This car will also proceed to Le CanadelHenry Royce's French residence before any tests commence. Hs.{Lord Ernest Hives - Chair} | ||