| Year | 1943 |
| Date | 30-Dec |
| Volume | 89 |
| Issue | 2,225 |
| Page | 636 |
| 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. Plug photographed to show details of electrodes, short-bodied 1/4-in. plug, single double or triple side electrodes, short-bodied 3/8-in. plug, |