| Year | 1987 |
| Date | 04-Dec |
| Volume | 159 |
| Issue | 3,814 |
| Page | 680 |
| Category | "Countryman's Steam" |
| Part | 9 |
| 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 | Brakes on the model, steering gear, an historical note |