| Year | 1920 |
| Date | 29-Jul |
| Volume | 43 |
| Issue | 1,005 |
| Page | 95 |
| Category | Automotive |
| Part | |
| Title | Motor Cycle Notes |
| Author | "Phoenix" |
| Notes | Interfering with the "Gradua" Gear. A Silencer Experiment. Timing Single Handed. How the Lucas "Magdyno" is Driven. "Average" and Scientific Carburettors |