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).
Letter to A.C.-Sphinx Sparking Plug Co. enclosing a blueprint for an R.R. Air Silencer for trial.
| Identifier | ExFiles\Box 152\3\ scan0295 | |
| Date | 21th April 1939 | |
| 1277 EXPERIMENTAL DEPARTMENT. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}15/JH. 21st. April, 1939. A.C.-Sphinx Sparking Plug Co., Dunstable, BEDS. For the attention of Mr. Bennion Brown. Dear Sirs, Herewith enclosed one Blue Print of the R.R. Air Silencer which we are at present fitting to our 25/30 H.P. car. Hoping this will give you all the information you require to enable you to make up a silencer for trial. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||