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).
Extract comparing a new sequence starter to the existing Phantom and 20 HP models.
| Identifier | ExFiles\Box 64\4\ scan0064 | |
| Date | 31th December 1927 | |
| X763573 Extract from Rl/M31.12.27. EAC.7. X.7770. (From R) 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. | ||