Hand-drawn cross-section of a shackle damper and rear spring assembly.
| Identifier | ExFiles\Box 26\3\ Scan099 | |
| Date | 10th December 1931 guessed | |
| Rolls Royce II Jack. Jack. Do. Shack Damper & rear Spring. | ||
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).