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).
Request for the results of a tested Lucas Dimming Switch for potential fitment to cars.
| Identifier | ExFiles\Box 61a\1\ scan0130 | |
| Date | 9th December 1921 | |
| S/W. X. 4291 Hs{Lord Ernest Hives - Chair} DEC 10 1921 REC'D Sg{Arthur F. Sidgreaves - MD}23/BM/9.12.21. RE: DIMMING SWITCHES. We understand from P.N. that you have tested one of the latest Lucas Dimming Switches. We shall be obliged if you will kindly let us know the result from the point of view of whether it is a fitting which could be advantageously fitted by us to R.R. Cars. Sg.{Arthur F. Sidgreaves - MD}Y | ||