| Year | 1993 |
| Date | 02-Apr |
| Volume | 170 |
| Issue | 3,942 |
| Page | 389 |
| Category | Countryman's Steam |
| Part | 5 |
| Title | Orcop Yeoman. A Portable Engine |
| Author | John Haining |
| Notes | Describes the cylinder and crank components. Cylinder covers, machining the cylinder - suggested methods, crankshaft, brackets and bearings |