| Year | 1949 |
| Date | 05-May |
| Volume | 100 |
| Issue | 2,502 |
| Page | 531 |
| Category | Locomotive |
| Part | |
| Title | Geared Steam Locomotives |
| Author | Kyrle W.Willans |
| Notes | An early design of narrow-gauge locomotive, the author's design for a "convertible gauge" narrow-gauge locomotive, a narrow-gauge locomotive at work on the construction of a reservoir |