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 Phantom III box and the decision not to use it on the Phantom car.
| Identifier | ExFiles\Box 164\2\ img009 | |
| Date | 5th April 1939 | |
| -2- Rm{William Robotham - Chief Engineer}/RC.{R. Childs}4/MH.{M. Huckerby}5.4.39. No trace of the P.III box referred to can be found, and it is thought that this box was never used owing to work on the Phantom car being stopped. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||