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 a spark plug company specifying the required plug gap setting.
| Identifier | ExFiles\Box 163\5\ img049 | |
| Date | 15th August 1936 | |
| r6011 Hs{Lord Ernest Hives - Chair}/Wst.7/JH. 15th August, 1936. Messrs. AC-Sphinx Sparking Plug Co.Ltd., Dunstable, Bedfordshire. For the attention of Mr.N.F.Stockbridge. Dear Sirs, In reply to your letter of the 13th instant, we should like the gap on these plugs setting at .012 - .015". Yours faithfully, FOR ROLLS-ROYCE LTD. | ||