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).
The status and completion of pivots.
| Identifier | ExFiles\Box 17\3\ Scan227 | |
| Date | 8th April 1928 guessed | |
| R.H.C. has such pivots in hand which I believe are almost completed, it would be worth while finishing them off. | ||