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 various silencers and tail pipes to a 12.B.V. car with a Ripple Engine.
| Identifier | ExFiles\Box 98\5\ scan0193 | |
| Date | 19th June 1939 | |
| Hoof To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}10/JH.19.6.39. 12.B.V. car Ripple Engine. Will you please fit to the above car a Burgess silencer and a Chrysler Royal silencer which Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} will supply. Both these silencers should be fitted up with 1.750" dia. tail pipes. For the R.R. silencer we require a 1.500" dia. tail pipe and a 1.750" dia. tail pipe. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||