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).
Performance of a sequence starter compared to existing models.
| Identifier | ExFiles\Box 16\7\ Scan042 | |
| Date | 3rd January 1928 guessed | |
| contd :- -2- The sequence starter seems very good : hope to get it slightly better and somewhat simpler, but it is definitely superior to Phantom and 20 HP. as at present. R.{Sir Henry Royce} | ||