| Year | 1980 |
| Date | 15-Aug |
| Volume | 146 |
| Issue | 3,639 |
| Page | 999 |
| Category | Locomotive |
| Part | 31 |
| Title | Bulldog/Dukedog. A 5 in. gauge G.W.R. 4-4-0 locomotive |
| Author | Keith Wilson |
| Notes | The regulator, body, port block, main valve, cover plate, dry header & downpipe, superheaters, smokebox details, blast pipes, Seckington Lodge Castle Class |