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).
Headlamp technology to improve light patterns and performance in adverse conditions.
| Identifier | ExFiles\Box 61a\2\ scan0197 | |
| Date | 5th January 1934 | |
| - 2 - E.1/HP.5.1.34. treatment reducing the upper direct light at close quarters to that proposed for the head lamps. A lamp of this pattern allows of much better progress than can be obtained with dip and switch headlamps when conditions are bad. E.{Mr Elliott - Chief Engineer} | ||