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 Lissen Limited requesting a performance report on aircraft sparking plugs sent for testing.
| Identifier | ExFiles\Box 58\2\ Scan014 | |
| Date | 16th December 1930 | |
| 61812a. TELEGRAMS, INLAND: "LISSENIUM, PHONE, LONDON." TELEGRAMS, FOREIGN: "LISSENIUM, LONDON." MANUFACTURERS OF: RADIO COMPONENT PARTS, COMPLETE RECEIVING SETS, H.T. BATTERIES & DRY CELLS, GRAMOPHONES, SPARKING PLUGS, PRESS TOOLS, BAKELITE AND PLASTIC MOULDINGS, DIE CASTINGS OF ALL KINDS, SMALL MACHINE REPETITION WORK AND STAMPINGS, CABINET WORK FOR ALL TRADES. DIRECTORS: MAGNUS GOODFELLOW (CHAIRMAN) N. COLE (MANAGING DIRECTOR) W. T. WALKER, R.{Sir Henry Royce} P. RICHARDSON. CONTRACTORS TO H.M. & COLONIAL GOVERNMENTS TELEPHONES: HOUNSLOW 2361 (12 LINES) (PRIVATE BRANCH EXCHANGE) WORKS: RICHMOND, SURREY, EDMONTON, LONDON. LISSEN TRADE MARK REGISTERED OFFICES & WORKS LISSEN LIMITED LISSENIUM WORKS, WORPLE ROAD, ISLEWORTH, MIDDLESEX. SCIENTIFIC, ELECTRICAL AND MECHANICAL ENGINEERS. OUR REF M/B/P. YOUR REF ROY{Sir Henry Royce}/GEA7/EB201030. 16th. December 1930. Messrs. Rolls-Royce Ltd., DERBY. Dear Sirs, Re AIRCRAFT SPARKING PLUGS Without wishing to worry you in any way we should be glad to receive your report on the performance of the Aircraft Plugs which we sent you for testing and can assure you that your comments on their performance will be very much appreciated. Yours faithfully, P.p. LISSEN LIMITED. S.E.Burlington. [Handwritten Note] Plug herewith has run 10 hrs on Hanger. 2 hrs at least at full throttle. (2150 RPM) No trouble [STAMP] RECEIVED 17 DEC 1930 [Printed Slip] Kindly affix perforated slip to your reply. MOTOR DEPARTMENT. | ||