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 showing different test configurations for a fabric coupling.
| Identifier | WestWitteringFiles\T\2July1929-December1929\ Scan007 | |
| Date | 21th July 1929 | |
| FABRIC COUPLING TESTS. SHOULD BE SPIGOTED (AS A) A.{Mr Adams} G.73570 EXPERIMENTAL SHOULDER RIVETS. SCREWS TO G.77763 | ||