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).
Matter of plugs and permission to adjust mixture strength with Col. Fell for an aero engine type test.
| Identifier | ExFiles\Box 35\3\ scan 190 | |
| Date | 2nd February 1928 | |
| 44196 Hs.{Lord Ernest Hives - Chair} Fl. from R.{Sir Henry Royce} E.{Mr Elliott - Chief Engineer} R5/M2. 2. 28. c. to B.J. RE. AERO ENGINES - TYPE TEST. X.3196 X.4196 X.3933 X.4425 Hs.{Lord Ernest Hives - Chair} should take the matter of plugs, and permission to adjust the mixture strength, with Col. Fell. I cannot do anything in the matter. R.{Sir Henry Royce} | ||