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).
Proposal for a 20/25 Air Silencer to fit the new horizontal type carburetter.
| Identifier | ExFiles\Box 102\1\ scan0178 | |
| Date | 23th May 1934 | |
| X5050 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Wym.{G. Harold Whyman - Experimental Manager}10/KW.23.5.34. 20/25 Air Silencer. Herewith scale drawing of the air silencer we propose to fit to the new 20/25 HP. horizontal type carburetter. This silencer should go on to production at the same time as the new carburetter. Hs{Lord Ernest Hives - Chair}/G.H. Whyman. | ||