| Year | 1903 |
| Date | 26-Nov |
| Volume | 9 |
| Issue | 135 |
| Page | 520 |
| Category | Automotive |
| Part | 15 |
| Title | The Motor Bicycle: Its Design, Construction and Use |
| Author | T.H.Hawley |
| Notes | The Distributor Gear and Contact-breaker: Setting the valves. Valve-operating mechanism, distribution gear, exhaust cam & gear, "Wil-Melior" wipe contact-breaker, pulley for Lincona belt |