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 The Lodge Sparking Plug Company regarding one dozen Model KR4 plugs sent for a 100-hour endurance test.
| Identifier | ExFiles\Box 79\1\ scan0109 | |
| Date | 4th July 1918 | |
| X601 The Lodge Sparking Plug Company Limited. Rugby. Telegrams: "Lodge Rugby" Telephone: Rugby 235. UNDER GOVERNMENT CONTROL. Messrs. Rolls-Royce, Ltd. Nightingale Road DERBY For the attention of Mr. Hives YOUR REF OUR REF AML/FB Date 4 July 1918 RECEIVED Dear Sirs, We have to-day sent you by Parcel Post, 1 Doz. Model KR4 plugs according to Advice Note enclosed. These plugs are similar to the KR3, but are made to an improved internal construction, and have the copper centre pin. We hope that these plugs are in time for the 100 hour endurance test, as we have every hope of them giving you satisfaction. We should be much obliged if you would treat these plugs confidentially, as the construction of these plugs is the subject of a Patent. Also, in the case of any plugs failing we should be obliged if you would make a point of returning them to us for examination. Yours faithfully, THE LODGE SPARKING PLUG CO. LTD. Alex Lodge DIRECTOR Encl. (Advice Note) ENCLOSURE No 686 [Logos on left margin:] THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS M&M THE CYCLE AND MOTOR CYCLE MANUFACTURERS AND TRADERS UNION LTD. FOUNDED 1890 INCORPORATED 1910 THE MOTOR TRADE ASSOCIATION MTA THE SOCIETY OF BRITISH AIRCRAFT CONSTRUCTORS S.B.A.C. ENGINEERING EMPLOYERS FEDERATION 1896 | ||