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).
Conclusion of a report comparing performance against the Phantom and noting a future report on a roller bearing throttle.
| Identifier | ExFiles\Box 38\4\ Scan097 | |
| Date | 9th September 1919 guessed | |
| contd :- -4- slightly quieter than the Phantom and absorbed considerably more H.P. We hope to be in a position to report on the roller bearing throttle in the course of the next few days. Hs{Lord Ernest Hives - Chair}/A.J.Lidsey. | ||