| Year | 2009 |
| Date | 13-Feb |
| Volume | 202 |
| Issue | 4,345 |
| Page | 224 |
| Category | Internal Combustion |
| Part | |
| Title | I/C Topics. Miniature spark plugs; Ignition systems |
| Author | Nemett |
| Notes | A correction, spark plugs, Bill Linfield's gearless hit and miss engine, standard electrode configuration, machinable glass ceramic, tapping, sawing, circular electrode configuration, electronic ignition systems, a milestone |