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).
With attached photographs showing the condition of exhaust valves from a 1940 Studebaker 20 HP car after 35,000 miles.
| Identifier | ExFiles\Box 127\5\ scan0054 | |
| Date | 14th January 1943 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}/C.Lee. c. to Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} c. to Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} 1092 Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}/C.Lee.6/OH. 14.1.43. Studebaker 20 HP. 1940 Model. Attached are photographs showing condition of the Exhaust Valves taken out of our Studebaker car at a total mileage of 35,000 miles. Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}/C.Lee. [Signature] | ||