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 of a front axle with steering linkage and torsion bars.
| Identifier | ExFiles\Box 87\4\ scan0139 | |
| Date | 21th September 1936 guessed | |
| TORSION BARS STEERING BOX IN NORMAL POSITION FIG I | ||