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 AC-Sphinx Sparking Plug Co. regarding the supply of experimental aero plugs.
| Identifier | ExFiles\Box 163\5\ img088 | |
| Date | 17th February 1937 | |
| AC-SPHINX SPARKING PLUG CO. LTD. DIRECTORS: N.F. Stockbridge, W.O.Kennington, C.J.Bartlett. Telegrams: SPHINX, DUNSTABLE DUNSTABLE, BEDS., ENGLAND. Telephone: DUNSTABLE 360. Our Ref. NFS/GEB. Your Ref. 6011 17th February, 1937. Messrs. Rolls-Royce Limited, Experimental Department, Derby. For the Attention of Mr. H.{Arthur M. Hanbury - Head Complaints} E.{Mr Elliott - Chief Engineer} West. Dear Mr. West, Re. Aero Plugs. As arranged between yourself and Mr. Corbin while I was away in the United States, we have now made up for you six detachable plugs (our experimental number X426) fitted with screens and provided with jewel ground electrodes manufactured from nickel sheet. The insulators in these plugs are made from the new "3235" body. These plugs are being sent to you under separate cover as per copy of invoice attached, and we shall await with interest a copy of your test report on same. Yours faithfully, THE AC-SPHINX SPARKING PLUG CO., LTD., N. F.{Mr Friese} STOCKBRIDGE Managing Director Enclosure. AC Air Cleaners - AC Clocks - AC Fuel Pumps - AC Oil Filters - AC Oil Gauges - AC Plugs - AC Speedometers - AC Windscreen Wipers. | ||