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).
Record of experiments on an ignition contact breaker to improve the performance and life of tungsten contact points.
| Identifier | ExFiles\Box 61b\1\ scan0120 | |
| Date | 30th September 1930 | |
| X6118 RECORD OF EXPERIMENTS CONDUCTED WITH R.R. BATTERY IGNITION CONTACT BREAKER TO IMPROVE PERFORMANCE AND LIFE OF TUNGSTEN CONTACT POINTS. DATE 30.9.30. | ||