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 requirement for wireless receiving set licenses for specific chassis.
| Identifier | ExFiles\Box 63\2\ scan0044 | |
| Date | 30th May 1935 | |
| 1683. Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies} From Hs{Lord Ernest Hives - Chair}/Wst. c. to D/L. Hs{Lord Ernest Hives - Chair}/Wst.4/MA.30.5.35. SPECTRECodename for Phantom III WIRELESS SETS. Will you please note wireless receiving set licences will be requiredfor chassis 2SI and 3 SI and should be applied for when these cars are officially registered. Hs{Lord Ernest Hives - Chair}/Wst. | ||