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 Lucas magnetos with tungsten points.
| Identifier | ExFiles\Box 65\3\ scan0375 | |
| Date | 4th June 1929 guessed | |
| contd. -2- We should like to see them experiment more with tungsten points, which are much less susceptible to burning away. Some of the Lucas magnetos we tested some time ago, gave very satisfactory results using tungsten points, and the wear on the contacts after a prolonged mileage, was practically negligible. AFC/HEW. | ||