| Year | 1921 |
| Date | 28-Apr |
| Volume | 44 |
| Issue | 1,044 |
| Page | 333 |
| Category | Locomotive |
| Part | |
| Title | The Evolution of a Clockwork Locomotive |
| Author | A.T.Daniels |
| Notes | An experimental clockwork locomotive, elevation, plan & details, view of engine & tender, front end elevation, profile |