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 on lined paper showing two views of a circular component with handwritten annotations.
| Identifier | ExFiles\Box 82\3\ scan0297 | |
| Date | 16th May 1935 guessed | |
| metal taken out. left level with fabrics, and fouls steel lugs steel lugs. | ||