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 sparking plugs with cracked insulators.
| Identifier | ExFiles\Box 162\4\ img288 | |
| Date | 6th April 1937 | |
| 6001b. 6th April 1937 Rm{William Robotham - Chief Engineer}/Wst.4/AP. K.L.G. Sparking Plugs Ltd., Putney Vale, LONDON S.W.15. For the attention of Major C.M.Carington. Dear Sirs, We are returning to you under separate cover three type FE.30.X. sparking plugs which have the insulators cracked. We are not a little perturbed about these failures as we understood from you that these insulators were very much stronger than the ordinary type of Ceramic insulator. We should be glad therefore to have your remarks on this failures after examination of the same. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||