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).
Instruction to fit a new type of rear silencer and aluminized exhaust system to a car.
| Identifier | ExFiles\Box 93\1\ scan0055 | |
| Date | 14th November 1936 | |
| 323 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}1/AP.14.11.36. 33-EX. Exhaust System. Will you please arrange to fit to the above car one of the new type rear silencers which T.Elston has already made. This car should also have "Aluminized" mild steel downtake pipes and intermediate pipe, with mild steel nickel plated lagging covers as soon as possible, as these parts are now being instructed for Production. The lagging covers should be spot welded in position with the seam facing towards the engine. The location of the rear silencer should be such that the rear end plate is situated 12.00" in front of the centre line of the rear axle. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||