Two blueprint-style illustrations of drive transmission joints.
| Identifier | ExFiles\Box 22\1\ Scan326 | |
| Date | 23th November 1932 guessed | |
| ORDINARY MECHANICS JOINTS TRANSMIT THE DRIVE, | ||
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).