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 Phantom Slipper Flywheel, referencing document LeC. 2520.
| Identifier | ExFiles\Box 66\4\ scan0104 | |
| Date | 6th March 1928 | |
| X. 8300 BY. {R.W. Bailey - Chief Engineer} from E. {Mr Elliott - Chief Engineer} c. to BJ. Hs. {Lord Ernest Hives - Chair} E7/M6.3.28. PHANTOM SLIPPER FLYWHEEL. We send you herewith LeC. 2520 shewing the above. E. {Mr Elliott - Chief Engineer} | ||