| Year | 1943 |
| Date | 23-Dec |
| Volume | 89 |
| Issue | 2,224 |
| Page | 609 |
| Category | Internal Combustion |
| Part | |
| Title | Miniature Sparking Plug Construction |
| Author | Ian Bradley and Edgar T.Westbury |
| Notes | Details of some successful experimental plugs, employing a new machinable insulating material. A group of experimental plugs, Insulator problems, long-bodied plug, components of plug, machining "Mycalex", electrode design |