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).
The causes and reduction of spark plug point wear.
| Identifier | ExFiles\Box 63\3\ scan0021 | |
| Date | 8th June 1934 guessed | |
| of the inductance component. reduces loss of metal at plug points & hence plug point wear (a Lodge C3) by at least 20 fold, and possibly more, as compared with using the complete inductance component (2) Plug point wear is due entirely to the spark | ||