| Year | 1979 |
| Date | 06-Jul |
| Volume | 145 |
| Issue | 3,612 |
| Page | 761 |
| Category | "Countryman's Steam" |
| Part | 10 |
| Title | A Single-Cylinder Agricultural Traction Engine (Durham & North Yorkshire) in 2 in. Scale |
| Author | John Haining |
| Notes | Mechanical lubricator, testing the engine on compressed air, road gears |