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 requesting a performance report on their Model D13 and KC1 spark plugs.
| Identifier | ExFiles\Box 79\1\ scan0173 | |
| Date | 21th March 1919 | |
| X601 The Lodge Sparking Plug Company Limited. Rugby. Telegrams: 'Lodge Rugby' Telephone: Rugby 235. UNDER GOVERNMENT CONTROL. YOUR REF OUR REF BH/EW. Date 21st March 1919. Messrs. Rolls Royce Ltd., Nightingale Road, D E R B Y. For the Attention of Mr. Hives. Dear Sirs, We should be much obliged if you would be good enough to give us a report on the behaviour of the Model D13. Plugs recently supplied to you. We should particularly like to know the number of hours which these plugs have run, whether they show any signs of pre-ignition, whether the head of the centre pin shows any signs of scaling, and if the Mica is in good condition. If you have had any defects we shall be much obliged if you will return the plugs to us for examination. We should also be glad to have a similar report on the Model KC1. Plugs. Thanking you in anticipation. Yours faithfully, THE LODGE SPARKING PLUG CO. LTD. Bernard Hopps DIRECTOR. [Stamp 1:] RECEIVED 24 MAR 1919 [Stamp 2:] WOR{Arthur Wormald - General Works Manager} MAR 24 1919 RECEIVED | ||