| Year | 1979 |
| Date | 15-Jun |
| Volume | 145 |
| Issue | 3,611 |
| Page | 711 |
| Category | Locomotive |
| Part | 17 |
| Title | Bulldog/Dukedog. A 5 in. gauge G.W.R. 4-4-0 locomotive |
| Author | Keith Wilson |
| Notes | Screw couplings and lamps. Screw, nut, bosses, weight and arm, coupling hook, lamps |