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).
Sketch showing the cause of thermostat failure due to the casing's actual contour fouling the bellows.
| Identifier | ExFiles\Box 156\1\ scan0331 | |
| Date | 23th November 1937 | |
| MACHINING SHOULD CONTINUE THUS CASING EB619) CORRECT CONTOUR BELLOWS DOTTED LINE SHOWS ACTUAL CONTOUR OF CASING, FOULING BELLOWS. SKETCH SHOWING CAUSE OF THERMOSTAT FAILURE (LEC3688 SCHEME) ON TEST BEDS ENGINE (B9) RM{William Robotham - Chief Engineer}/STD 23/11/37 Rm{William Robotham - Chief Engineer} 470 | ||