| Year | 1928 |
| Date | 05-Jul |
| Volume | 59 |
| Issue | 1,417 |
| Page | 17 |
| Category | Internal Combustion |
| Part | 7 |
| Title | Designing and Building Model Internal Combustion Engines |
| Author | Edgar T.Westbury |
| Notes | Ignition. Well protected contact-maker intended for hard wear, with mechanical (cam) break, connections for small light-weight ignition coil, flywheel magneto and armature core |