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).
Diagram illustrating the oil feed system and connections for the Phantom III cross steering tubes.
| Identifier | ExFiles\Box 131\2\ scan0247 | |
| Date | 25th August 1938 guessed | |
| P.H. III CROSS STEERING TUBES. OIL FEED TO TOP DRAINS DOWN TO FEED BOTTOM PAD CONNECTED TO WHEELS OIL FEED TO BOTTOM ONLY OIL HAS TO CREEP UPWARDS TO FEED TOP PAD CONNECTED TO CENTRE STEERING ARM RM{William Robotham - Chief Engineer}/GHH. | ||