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 the lubrication of a flexible cable spring.
| Identifier | ExFiles\Box 67a\2\ scan0222 | |
| Date | 5th December 1928 guessed | |
| FLEXIBLE CABLE SPRING LUBRICATION. | ||