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 Robinhood Engineering Works regarding issues with R4 type sparking plugs and the dispatch of new samples.
| Identifier | ExFiles\Box 58\3\ Scan015 | |
| Date | 17th October 1919 | |
| x1918b. TELEPHONE: PUTNEY 2132 & 2133. TELEGRAMS: "KAELGEE, PHONE, LONDON." CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY & FOREIGN GOVERNMENTS. CODES USED { A.B.C. 5TH EDITION. WESTERN UNION. THE ROBINHOOD ENGINEERING WORKS, LIMITED. THE K-L-G SPARKING PLUG SPECIALISTS IN SPARKING PLUG MANUFACTURE. SOLE MANUFACTURERS OF K.L.G. SPARKING PLUGS. PUTNEY VALE, LONDON, S.W.15. IN YOUR REPLY PLEASE REFER TO K.L.G/KS DEPT AND QUOTE REFERENCE. 17th October 1919. STAMP: S.D. 20 OCT 1919 Messrs. Rolls-Royce, Limited, Nightingale Road, DERBY. Your Ref:- RH{R. Hollingworth}2/LG Handwritten: Mr Hives Dear Sirs, We have to thank you for your letter of the 11th inst., and much regret to learn that you are not entirely satisfied with the R4 type sparking plugs, which we have been supplying to you. We notice your remarks with reference to the difficulties experienced, and also your suggestion as to the cause of the trouble and we are despatching to you, per post, two dozen plugs in which the internal insulating surface, upon which you are experiencing "shortage" of the current/earth, is considerably longer. Of course the longer this surface - so long as pre-ignition is not experienced - the better, and we are therefore sending two different types of plugs (one dozen of each - the one marked 106 having a | ||