| Year | 1941 |
| Date | 08-May |
| Volume | 84 |
| Issue | 2,087 |
| Page | 375 |
| Category | Locomotive |
| Part | |
| Title | 1831. A 3 1/2in. Gauge I.C. Engine-driven Locomotive |
| Author | Edgar T.Westbury |
| Notes | General arrangement of 30 c.c. vertical twin water-cooled four-stroke petrol engine, longitudinal and cross sections, number of cylinders, arrangement of cylinders, plan view, four-stroke or two-stroke, general features of design, crankshaft arrangement |