Photograph of a disassembled star-shaped clutch assembly, showing the main plates and associated components.
| Identifier | ExFiles\Box 128\2\ scan0006 | |
| Date | 28th February 1928 guessed | |
| PHOTO. DEPT. ROLLS-ROYCE LTD. DERBY. 106 | ||
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).