| Year | 1993 |
| Date | 02-Jul |
| Volume | 171 |
| Issue | 3,948 |
| Page | 31 |
| Category | Countryman's Steam |
| Part | 8 |
| Title | Orcop Yeoman. A Portable Engine |
| Author | John Haining |
| Notes | Describes the valve setting, governor arrangements and metal wheels. Uni-directional engine, back to the model, wheels |