| Year | 1981 |
| Date | 20-Feb |
| Volume | 147 |
| Issue | 3,651 |
| Page | 234 |
| Category | Locomotive |
| Part | 37 |
| Title | Bulldog/Dukedog. A 5 in. gauge G.W.R. 4-4-0 locomotive |
| Author | Keith Wilson |
| Notes | The Vacuum Brakes. Brake cylinder on a 7 1/4 in. gauge tender, brake cylinder on a 7 1/4 in. gauge "King", Keith's "useful" drill! |