Diagram for a provisional patent of a shock absorber.
| Identifier | ExFiles\Box 152\2\ scan0141 | |
| Date | 1st January 1938 | |
| SHOCK ABSORBER PROV. PAT. 23684/38. NOTE. This drawing is purely diagrammatic P&M 5439 AWRy | ||
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).