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).
Sample car heater switch being sent for examination.
| Identifier | ExFiles\Box 137\2\ scan0249 | |
| Date | 1st December 1938 | |
| 1158 W/S ...... Mr. c. Rm{William Robotham - Chief Engineer}/Std. BY/RD. 3/B.1.12.38. CAR HEATER SWITCHES. MWM/567 We are sending to you herewith the heater switch which we propose should be used for your examination. This model has a brown knob, but black ones can be supplied as required. We should be obliged if you would return this after your examination, as it is wanted for fitting to an experimental car. BY/RD. | ||