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 detailing a component with dimensions and rivet specification.
| Identifier | ExFiles\Box 176\1\ img087 | |
| Date | 20th September 1940 guessed | |
| QPL 140 4TH ROUND ROUND .218 .093 DIA RIVET | ||