| Year | 1943 |
| Date | 30-Sep |
| Volume | 89 |
| Issue | 2,212 |
| Page | 330 |
| Category | Internal Combustion |
| Part | |
| Title | Reconditioning Miniature Sparking Plugs |
| Author | Edgar T.Westbury |
| Notes | Simple sand-blasting apparatus for miniature plugs, plug testing, sectional elevation of sand-blasting apparatus, spark gap adjustment |