| Year | 1981 |
| Date | 15-May |
| Volume | 147 |
| Issue | 3,657 |
| Page | 623 |
| Category | Road Locomotive |
| Part | 4 |
| Title | Modular. A 3/4 in. Scale Unit Construction Traction Engine |
| Author | J.G.Churchill |
| Notes | The chassis (continued), road and steering gears, gear tooth milling cutter, steering worm and pinion, pinion data |