| Year | 1942 |
| Date | 08-Jan |
| Volume | 86 |
| Issue | 2,122 |
| Page | 42 |
| Category | Locomotive |
| Part | |
| Title | 1831. A 3 1/2in. Gauge I.C. Engine-driven Locomotive |
| Author | Edgar T.Westbury |
| Notes | Distributor, connections, contact-breaker backplate, construction of contact-breaker, details, construction of distributor, machining the housing, a correction |