| Year | 1980 |
| Date | 21-Mar |
| Volume | 146 |
| Issue | 3,629 |
| Page | 362 |
| Category | Locomotive |
| Part | 26 |
| Title | Bulldog/Dukedog. A 5 in. gauge G.W.R. 4-4-0 locomotive |
| Author | Keith Wilson |
| Notes | Dukedog crank, big ends and eccentrics photograph, valve rods, valve and buckle, steam chest and cover |