| Year | 1955 |
| Date | 06-Oct |
| Volume | 113 |
| Issue | 2,837 |
| Page | 494 |
| Category | Internal Combustion |
| Part | |
| Title | Providing the Spark |
| Author | Edgar T.Westbury |
| Notes | Coil ignition. The answer is to make one, compact building, specification of core, various winding methods, easy fitting, right spacing, bake in a dry atmosphere, impregnation, penetrating sparks, simple spark test |