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).
Cam angles for the B.V. Gearbox, referencing drawings PD.452 and PD.443.
| Identifier | ExFiles\Box 99\4\ scan0225 | |
| Date | 26th June 1939 | |
| BY/NS.{Norman Scott} c. Rm.{William Robotham - Chief Engineer} H28 DA.{Bernard Day - Chassis Design}1/G.26.6.39. B.V. GEARBOX. Please receive PD.452 giving information as to the cam angles to be adopted for the pieces on PD.443. This information has already been incorporated in the details, and the drawing is now issued for record. DA.{Bernard Day - Chassis Design} | ||