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).
List of continued modifications and the proposal to test the 12-EX car in France.
| Identifier | WestWitteringFiles\R\2October1927-November-1927\ 139 | |
| Date | 14th November 1927 guessed | |
| contd :- -2- 10. New type bonnet lock and fasteners. 11. Modified exhaust. 12. .900 lead worm. We propose using 12-EX car for this test. It is our intention to complete this car as rapidly as possible and get it to France. Hs.{Lord Ernest Hives - Chair} | ||