| Year | 1918 |
| Date | 07-Feb |
| Volume | 38 |
| Issue | 876 |
| Page | 81 |
| Category | Internal Combustion |
| Part | |
| Title | Electric Ignition Simply Explained |
| Author | "Calculus" |
| Notes | Early ignition system, modern coil system, the Atwater-Kent contact-breaker, connections for four trembler coils, coils with a master trembler, the Lodge system, coils energised by a small generator, details of a high-tension magneto |