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).
The interchanged positions of the heater and Philco radio set.
| Identifier | ExFiles\Box 168b\1\ img133 | |
| Date | 9th December 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} 6153 . Rm{William Robotham - Chief Engineer}/RC.{R. Childs}12/JH.9.12.38. re 1.B.50. The positions of the heater and Philco radio set on the above car has been interchanged, will you please arrange for the set to be refitted in its new position. Rm{William Robotham - Chief Engineer}/RC.{R. Childs} | ||