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).
Extract from a letter to Messrs. Lucas regarding the loan of double filament bulbs for inspection.
| Identifier | ExFiles\Box 61a\1\ scan0423 | |
| Date | 6th December 1928 | |
| X4477 Extract from letter from DA{Bernard Day - Chassis Design}/EV{Ivan Evernden - coachwork} to Messrs. Lucas X.7800. 6th Dec., 1928. Referring to your last para. we are very interested in these double filament bulbs with internal shields used in conjunction with a 2-way switch. We would be delighted if you would loan us a pair of these lamps and have them sent to our Expl. Dept. at Derby, for the attention of Mr.Hives We will arrange for them to be fitted to a car and brought down here for Mr. Royce's inspection. | ||