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 K.L.G. Sparking Plugs Ltd. regarding the failure of E.26 and E.25 type plugs.
| Identifier | ExFiles\Box 162\4\ img276 | |
| Date | 19th March 1937 | |
| 60018. Rm{William Robotham - Chief Engineer}/Wst.8/AP. 19th March 1937. K.L.G. Sparking Plugs Ltd., Putney Vale, LONDON S.W.15. Dear Sirs, We are returning to you under separate cover 6 -E.26 type plugs. The electrodes of these plugs are badly burnt after 7 hours run. We also return 1 - E.25 type plug, which has a broken insulator; this plug has done about 3000 miles. We should like to know what you propose to do, about the latter failure. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||