| Year | 1981 |
| Date | 18-Dec |
| Volume | 147 |
| Issue | 3,671 |
| Page | 1,519 |
| Category | Road Locomotive |
| Part | 10 |
| Title | Modular. A 3/4 in. Scale Unit Construction Traction Engine |
| Author | J.G.Churchill |
| Notes | Chain drum and shaft, steering assembly details, steering wheel and shaft, boiler feedwater pump, the clack valve |