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).
Confirming decarbonisation work and valve lapping on a car.
| Identifier | ExFiles\Box 89\4\ scan0031 | |
| Date | 11th January 1937 | |
| W/LH.{Mr Haworth} to RC.{R. Childs} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} 261 Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}3/AP.11.1.37. Replying to your RC.{R. Childs}1/L.8.1.37. B.3.GA. Car was decarbonised whilst at the Works in September. In addition the valves were lapped into the cylinder head. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||