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).
Philips claiming official approval for their wireless sets.
| Identifier | ExFiles\Box 63\3\ scan0294 | |
| Date | 25th March 1935 | |
| S/W Hs{Lord Ernest Hives - Chair}/Wst WST r6153. C8/C25.3.35 WIRELESS SETS. We are in receipt of your Hs{Lord Ernest Hives - Chair}/Wstll/MA21.3.35 and are interested to note that Philips are claiming that we officially approve of their set. We quite agree with what you say and will advise all our people accordingly. C. | ||