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).
10,000-mile test on 'Forward' spark plugs by the Forward Sparking Plug Company.
| Identifier | ExFiles\Box 33\3\ Scan041 | |
| Date | 13th January 1920 | |
| Bn.{W.O. Bentley / Mr Barrington} from BY.{R.W. Bailey - Chief Engineer} c. to Hs.{Lord Ernest Hives - Chair} c. to Wor.{Arthur Wormald - General Works Manager} C.R. X.3780 COPY / 16.12.20 X.3780 BY1/P13.1.20. CHASSIS - IGNITION WIRING & PLUGS. Mr. Bellringer in his memo N/Br10/H12.1.20., refers to a 10,000 mile tyre and benzol which has been made by Mr. Rapson under R.A.C. official observation. He states that the engine ran the 10,000 miles without the slightest trouble with the plugs and that the plugs fitted were "Forward" plugs, marketed by the Forward Sparking Plug Company, Summer Row, Birmingham. The price is 5/- each. The plug is officially known as the "Forward" Plug, type E.{Mr Elliott - Chief Engineer} BY.{R.W. Bailey - Chief Engineer} | ||