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).
Testing of air silencers for the Bentley III and requesting similar ones be made for other vehicles.
| Identifier | ExFiles\Box 152\3\ scan0255 | |
| Date | 22th July 1938 | |
| 1297 To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux}10/MH.{M. Huckerby}22.7.38. BENTLEY III. AIR SILENCER. We have tested the two air silencers made to ECB.530. The larger diameter as at present fitted to 1.B.50 is preferred. Will you please make similar air silencers for 8.B.V. and 9.B.V. pending the final design scheme. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} | ||