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).
Seeking confirmation on the type of spark plug to be used for commercial aero engines.
| Identifier | ExFiles\Box 79\1\ scan0181 | |
| Date | 4th April 1919 | |
| To EP.{G. Eric Platford - Chief Quality Engineer} from BY.{R.W. Bailey - Chief Engineer} c. to EH. c. to EFE. X.601✓ X.1918. BY/2/P9.4.19. RE AERO ENGINES FOR COMMERCIAL PURPOSES Referring to your memo EP{G. Eric Platford - Chief Quality Engineer}/HS{Lord Ernest Hives - Chair}6/P5419, will you kindly note that I was under the impression we were continuing to use Lodge Plug for aero engine service - apparently this is not the case. Would you definitely confirm that EH & EP{G. Eric Platford - Chief Quality Engineer} agree to using the K.L.G. F.12 type of plug. BY.{R.W. Bailey - Chief Engineer} | ||