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).
Photographic comparison of worn upper and lower bearing halves.
| Identifier | ExFiles\Box 1\4\ B001_X 100a-page268 | |
| Date | 24th February 1933 guessed | |
| LOWER HALVES UPPER HALVES LOWER HALVES UPPER HALVES | ||