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).
Testing of a high output Phantom dynamo for the Prince of Wales' car.
| Identifier | ExFiles\Box 60\1\ Scan196 | |
| Date | 19th February 1930 | |
| X8664b. 19.2.30. To EFC. Herewith high output Phantom dynamo for Prince of Wales' car. Will you please test this as soon as possible. E.J.Brock. | ||