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).
Recommendation to continue testing an experimental green lamp scheme and use the present Phantom electrical arrangement.
| Identifier | WestWitteringFiles\T\November1928\ Scan108 | |
| Date | 29th December 1928 guessed | |
| contd :- -2- that the green lamp scheme should be continued to be tested as an experimental improvement, and that the first cars should have the present Phantom arrangement of generator, switchbox and distribution board. He. | ||