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).
Development of a governor curve to suit 7-1-raised crown pistons for 8 B.V and 7 B.V engines.
| Identifier | ExFiles\Box 99\4\ scan0129 | |
| Date | 1st June 1939 | |
| H36. By.{R.W. Bailey - Chief Engineer} Rm{William Robotham - Chief Engineer}/1RW.3/NH. 1.6.39. B.V. Development of governor. curve to suit 7-1-raised crown pistons - 8.B.V + 7-B.V. file 400b. | ||