| Year | 1976 |
| Date | 06-Feb |
| Volume | 142 |
| Issue | 3,530 |
| Page | 134 |
| Category | Locomotive |
| Part | 12 |
| Title | Model Locomotive Construction for Beginners |
| Author | Martin Evans |
| Notes | Joy valve gear for outside cylinders, Hackworth valve gear, Marshall valve gear, the Stephenson valve gear, fitting eccentric straps to rods |