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).
Cross-section drawing of a mechanical fastener assembly.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan005 | |
| Date | 5th July 1929 guessed | |
| G76906 | ||