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).
Draft note to Mr. Bentley discussing an alternative design for a coupling.
| Identifier | Morton\M7\ img006 | |
| Date | 1st April 1924 guessed | |
| Mr Bentley Coupling: You will perhaps... unscrewable without close fitting key. There is another type which might be tried & would enable you better to make rough as sketch Tight enough by bolts for general use becoming loose Key for safety. Grooves on both Jaw-on ends of bushes. odd number Easily get that end radial 3 fliers 3 grooves | ||