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).
Blueprint of an improved form of wheel control with independent springing.
| Identifier | ExFiles\Box 173\2\ img015 | |
| Date | 27th January 1934 | |
| improved form of wheel control with independent springing 27-1-34 By | ||