| Year | 2005 |
| Date | 25-Nov |
| Volume | 195 |
| Issue | 4,261 |
| Page | 644 |
| Category | Locomotive |
| Part | |
| Title | Locomotive Links for Stephenson's Valve Gear |
| Author | Don Ashton |
| Notes | Gives the definitive guide to the most common valve gear. Equivalent eccentric, locomotive link eccentrics |