Confirming the required material, either grey or red vulcanised fibre, for Phantom engine slipper drive friction discs.
| Identifier | ExFiles\Box 66\4\ scan0089 | |
| Date | 22th September 1927 | |
| E.Dept. Hs. {Lord Ernest Hives - Chair} RMC. MER. X8300 BY {R.W. Bailey - Chief Engineer} /O/H. 22.9.27. PHANTOM FRICTION DISCS. SLIPPER DRIVE. Referring to the special Phantom engine with the new type of slipper drive, R. {Sir Henry Royce} has confirmed that he requires either grey vulcanised fibre or red vulcanised fibre. BY. {R.W. Bailey - Chief Engineer} Bu | ||
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).