| Year | 1979 |
| Date | 16-Feb |
| Volume | 145 |
| Issue | 3,603 |
| Page | 200 |
| Category | Road Locomotive |
| Part | 7 |
| Title | Clayton Undertype Steam Wagon to 2 in. scale |
| Author | Robin Dyer |
| Notes | Boiler fittings, the piping layout, two prototype Clayton wagons, more real-life Claytons |