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 discussing the fitting and testing of various types of spark plugs.
| Identifier | ExFiles\Box 162\3\ img055 | |
| Date | 14th January 1937 | |
| To G.W.Hancock, Esq. C/O Hotel De France, Chateauroux, Indre, FRANCE. In reply to your Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux}8/JAB. of the 11th inst. we should prefer you to fit the Champion L.B. plugs we have since sent out to you first, and after gaining sufficient running experience with them replace them with the A.C. type X.428 Sintercorund plugs. The plugs we shall be most interested in are the new K.L.G. type FBL.50.X. which we expect will be available to send out to you in about two weeks' time. These should be immediately tested out when they arrive in preference to any other plugs. Rm{William Robotham - Chief Engineer}/Wst. | ||