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).
Letter to The Champion Sparking Plug Co. regarding a meeting to test sample aero engine spark plugs.
| Identifier | ExFiles\Box 35\3\ scan 166 | |
| Date | 14th May 1927 | |
| √4196 Expl: Dept: Hs{Lord Ernest Hives - Chair}4/LG. 14th. May 1927. Messrs. The Champion Sparking Plug Co., 83, Pall Mall, London S.W.1. Dear Sirs, With reference to your letter of the 11th.inst. We shall be pleased to see your Mr. Davidson any day next week. We should like him to bring sets of sample sparking plugs which could be tried out on an aero engine. Yours faithfully, | ||