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).
Instructing modifications to the exhaust system for a Bentley Car 9.B.III.
| Identifier | ExFiles\Box 99\1\ scan0168 | |
| Date | 16th August 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} HP 23. Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}4/JH.16.8.38. BENTLEY CAR 9.B.III. Will you please make up and fit to the above car a similar exhaust system to the one already fitted to 1.B.5 except that the rear silencer should only be 16.00" long instead of 20.00". The downtake pipe should be made in 12 S.W.G. material. The battery box of course will have to be moved to the o/S of the frame, as on 1.B.50 Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} | ||