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).
Note regarding steering positions with various internal references.
| Identifier | ExFiles\Box 9\7\ 07-page180 | |
| Date | 17th January 1939 | |
| cn{Mr Chamberain}/7JH. 650 Da.{Bernard Day - Chassis Design} 3/q. 17.1.39. Steering Positions. 9.B.S. 7.B.S + 25.9.6. see file 1300. | ||