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).
Telegram reporting a failed bearing cage and distorted annulus gear, recommending replacement.
| Identifier | WestWitteringFiles\B\February1918\ Scan5 | |
| Date | 19th February 1918 | |
| To: Hives Roycan Derby Message: cage of plant wheel back bearings gone annulus distorted consider new gear throughout required all pinions Been hot engine not required at present machine flying with production engine shell By: I carry on From: Cliburn | ||