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).
Note stating the Minx 14 Gearbox and Salisbury rear axle are not applicable to 7.B.V.
| Identifier | ExFiles\Box 97\5\ scan0360 | |
| Date | 31th October 1939 | |
| -2- Ev.{Ivan Evernden - coachwork}7/JH.31.10.39. Minx 14 Gearbox and Salisbury rear axle, and therefore not directly applicable to 7.B.V. Ev.{Ivan Evernden - coachwork} | ||