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).
The Corniche and chassis 30.G.VII.
| Identifier | ExFiles\Box 98\5\ scan0061 | |
| Date | 8th August 1939 | |
| 400g. IMW.{Ivan M. Waller - Head of Chateauroux} Rm.{William Robotham - Chief Engineer}1/R.{Sir Henry Royce} 8.8.39 Re Corniche & 30.G.VII file 666a. | ||