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 of a 1st speed driven gear from a gearbox.
| Identifier | ExFiles\Box 99\4\ scan0255 | |
| Date | 19th March 1941 | |
| CHASSIS 1.B.50 GEARBOX 1.BV GB 4580 1ST. SPEED DRIVEN GEAR MILEAGE 26,055 19.3.41 | ||