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).
Condition and replacement of engine valves and a gasket on a Bentley vehicle.
| Identifier | ExFiles\Box 97\5\ scan0142 | |
| Date | 23th March 1939 | |
| To Rm{William Robotham - Chief Engineer} (crossed out) c/o Rm{William Robotham - Chief Engineer}/Swale. 400b Chateauroux, 23.3.39 8BI - Bentley Replying to your memo Rm{William Robotham - Chief Engineer}/Swale 6/ER 21.3.39 we have fitted the new exhaust valves & are returning [annotated: broken RM{William Robotham - Chief Engineer}] those removed, including The broken one. only very small peices remained of the head of the valve. The klingerite Gasket was in good condition but one or two patches stuck to the head when it was lifted & rendered it unfit for further use. There was no difficulty in lifting the cylinder head. All the inlet valves are in excellent condition for the mileage. The front Three have recessed heads & the rear three resemble standard. Rm{William Robotham - Chief Engineer} / IMW.{Ivan M. Waller - Head of Chateauroux} | ||