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).
Requesting the status of radio sets on test in various experimental cars.
| Identifier | ExFiles\Box 63\2\ scan0323 | |
| Date | 24th September 1937 | |
| 6153. To Rm{William Robotham - Chief Engineer}/RC.{R. Childs} BY/RD.1/B.24.9.37. Will you please let us know what radio sets we have on test on the various experimental cars, also, those which are in our possession which have completed their tests, or are awaiting test. BY/RD. | ||