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 from Lodge Plugs Ltd. suggesting severe road condition testing for H14 plugs.
| Identifier | ExFiles\Box 162\6\ img141 | |
| Date | 23th April 1932 | |
| From Lodge Plugs Ltd. To Messrs. Rolls-Royce Ltd. Sheet No. 2. Date 23.4.32. we suggest that the H14. plugs be tested under severe road conditions, for which we should imagine the plug would be found to stand sufficient heat. Yours faithfully, LODGE PLUGS LIMITED. Bernard Hopps. DIRECTOR | ||