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 to fit a twin exhaust system to a car, similar to one fitted on another vehicle.
| Identifier | ExFiles\Box 111\4\ scan0169 | |
| Date | 31th August 1939 | |
| 800a. To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}3/JH.31.8.39. 4.B.50. Exhaust System. Will you please fit to the above car a twin exhaust system similar to the one recently fitted to Hs{Lord Ernest Hives - Chair}' car 33.G.VII. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||