| Year | 1980 |
| Date | 07-Nov |
| Volume | 146 |
| Issue | 3,644 |
| Page | 1,304 |
| Category | Smoke Rings |
| Part | |
| Title | To be seen at the 1981 Model Engineer Exhibition |
| Author | |
| Notes | Ray Copley's Clayton steam wagon with trailer, Tom Walshaw's 4 column condensing sugar mill beam engine and Princess Royal a twin cylinder "pusher" mill engine |