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).
Request to verify the suitability of various types of plugs for Merlin engines prior to flight tests.
| Identifier | ExFiles\Box 58\2\ Scan242 | |
| Date | 16th October 1935 guessed | |
| It is understood that opportunity for making flight tests of various types of plug is likely to occur in the immediate future and it would be appreciated if you could verify early, please, whether the above types of plugs are likely to be suitable for Merlin engines in the Service. I am, Gentlemen, Your obedient Servant, E.L. Mayne Eustace for Assistant Director/R.D.E. for Director of Technical Development. | ||