| Year | 1942 |
| Date | 14-May |
| Volume | 86 |
| Issue | 2,140 |
| Page | 462 |
| Category | Locomotive |
| Part | |
| Title | 1831. A 3 1/2in. Gauge I.C. Engine-driven Locomotive |
| Author | Edgar T.Westbury |
| Notes | The transmission system. Variable-speed friction drive, layout of transmission gear, longitudinal section, method of coupling, primary shaft, friction disc, shifting gear, withdrawal gear, offside view, final drive |