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).
Steering positions for various models.
| Identifier | ExFiles\Box 98\4\ scan0060 | |
| Date | 17th January 1939 | |
| HOOD Rm{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design} 3/G 17-1-39 Steering Positions 9.B.V, 7.B.V, 25.G.VI file 1300 v 600 | ||