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).
Brief typed note regarding the functionality of plain jaws and potential gear issues.
| Identifier | ExFiles\Box 15\5\ Scan206 | |
| Date | 28th May 1931 guessed | |
| I believe it will work with just plain jaws without any grab on the teeth, but it might miss gear. Shall anxiously await further news. R.{Sir Henry Royce} | ||