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 a steering system layout, labeled as Figure II.
| Identifier | ExFiles\Box 87\4\ scan0140 | |
| Date | 7th October 1936 guessed | |
| STEERING BOX LONG COLUMN FIG II | ||