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).
Photograph and details for a corrected first-speed driven gear from a specific chassis and gearbox.
| Identifier | ExFiles\Box 114\1\ scan0351 | |
| Date | 19th March 1941 | |
| CHASSIS 30·G·VII GEARBOX K·8·B·F.{Mr Friese} GB.5126 1ST SPEED DRIVEN GEAR CORRECTED GEARS MILEAGE 11820 19·3·41 | ||