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).
Request for a valve from engine 8.B.V. to be photographed, crack tested, and measured for stretch.
| Identifier | ExFiles\Box 97\5\ scan0152 | |
| Date | 6th April 1939 | |
| 400b. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} from Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}6/R.6.4.39. Herewith the valve out of 8.B.V. Will you please have them photographed, crack tested and measured for stretch. Rm.{William Robotham - Chief Engineer} | ||