| Year | 1924 |
| Date | 14-Feb |
| Volume | 50 |
| Issue | 1,190 |
| Page | 177 |
| Category | Internal Combustion |
| Part | |
| Title | First Principles of Ignition |
| Author | A.H.Stuart |
| Notes | Curve showing relationship of explosion to richness of mixture, showing effect of position of firing point on rapidity of explosion |