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).
Cover letter for an attached table and blueprint concerning Phantom ignition timing.
| Identifier | ExFiles\Box 65\1\ scan0218 | |
| Date | 28th September 1928 | |
| To EY. from EFC. X7680 EFCL/T28.9.28. X928 X 86-80 Please find attached copy of the table which we showed to you the other day dealing with the Phantom ignition timing, containing both the present and that suggested in RL/M19.9.28. We also attach a blueprint copy of the diagram which we showed to you. EFC. | ||