| Year | 1941 |
| Date | 09-Oct |
| Volume | 85 |
| Issue | 2,109 |
| Page | 285 |
| Category | Locomotive |
| Part | |
| Title | 1831. A 3 1/2in. Gauge I.C. Engine-driven Locomotive |
| Author | Edgar T.Westbury |
| Notes | General arrangement of automatic clutch assembled on engine flywheel, flywheel and clutch assembly, flywheel, clutch weights, an example by Ian Bradley |