| Year | 1987 |
| Date | 04-Sep |
| Volume | 159 |
| Issue | 3,808 |
| Page | 272 |
| Category | "Countryman's Steam" |
| Part | 6 |
| Title | Ruston, Proctor Steam Tractor. A 2 in. scale model of the 3 ton single cylinder class SD light steam tractor |
| Author | John Haining |
| Notes | Connecting rod, gear shaft bearings, hind axle springing, hind axle bearing set, machining the bearing bracket, keys and keyways, securing wheels to axle, compensating gears, winding drum, notes on machining |