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).
The marking of engine modifications with the letters A.B.C.
Identifier | ExFiles\Box 131\2\ scan0038 | |
Date | 26th August 1937 | |
To: K/KC. from Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux}30/N.26.8.37. Re: Modification to Engine. By.{R.W. Bailey - Chief Engineer} is in agreement that the modifications carried out to an engine should be marked A.B.C. as the case may be. The lettering to be stamped above the engine unit number. This should be done right away. Instructions will be issued to all Depots in the usual way. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} | ||