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).
Pencil sketch of a serrated damper anchorage showing sheared splines.
| Identifier | ExFiles\Box 92\3\ scan0092 | |
| Date | 11th February 1937 guessed | |
| 35 EX splines sheared serrated damper anchorage splines sheared off | ||