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).
Note detailing the procedure for adjusting a lamp by loosening a screw.
| Identifier | ExFiles\Box 61a\2\ scan0112 | |
| Date | 21th February 1931 guessed | |
| -2- (7) The fastening of the lamp is a little difficult in that it is necessary after opening the lamp and removing the reflector to loosen the screw to make the necessary adjustment. EFC. | ||