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).
Information regarding Inlet Side Valve Exhaust for cars produced by the Old Bentley Co.
| Identifier | ExFiles\Box 131\2\ scan0219 | |
| Date | 8th July 1938 | |
| 1113 Da.{Bernard Day - Chassis Design} from Rm.{William Robotham - Chief Engineer} c. Da{Bernard Day - Chassis Design}/Jnr.{Charles L. Jenner} Rm{William Robotham - Chief Engineer}2/R.8.7.38. Herewith information re Inlet Side Valve Exhaust for the Bentley car produced by the Old Bentley Co. Rm.{William Robotham - Chief Engineer} | ||