Letter to The Lodge Sparking Plug Co. Ltd. regarding the failure of spark plugs due to overheating and requesting different insulators.
| Identifier | ExFiles\Box 162\6\ img023 | |
| Date | 13th December 1921 | |
| X4425 Hs {Lord Ernest Hives - Chair} 4/LG. 13th. Dec. 1921. The Lodge Sparking Plug Co.Ltd., R U G B Y. Dear Sirs, Referring to your AMW/MAW of the 5th.inst. The failure of the 6 plugs which we have returned to you was due to pre-ignition caused by the over-heating of the plugs themselves. We should be pleased to receive further plugs from you with different types of insulators. Yours faithfully, P.S. We have today received 6 more sparking plugs. | ||
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).