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).
Post office telegram confirmation discussing a fault, suggesting mahogany or teak wood dust as a material and checking for induction or leakage.
| Identifier | WestWitteringFiles\J\November1922\ Scan5 | |
| Date | 9th November 1922 | |
| Chichester Royce Q colouring stop suggest mahogany or Teak wood Dust without colouring stop distribution must also be wrong stop easily proved if fault is induction or leakage stop are cases properly cured | ||