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).
Blueprint of the off-side tube profile, indicating the front bearing and bending point.
| Identifier | ExFiles\Box 5a\4\ 04-page193 | |
| Date | 10th December 1934 guessed | |
| O.S. FRONT BEARING BENT UP FROM THIS POINT UNDERSIDE OF TUBE | ||