Close-up photograph of a universal joint and associated drive mechanism.
| Identifier | ExFiles\Box 178\4\ img085 | |
| Date | 1st May 1932 guessed | |
| D 9 B | ||
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).