| Year | 2020 |
| Date | 11-Sep |
| Volume | 225 |
| Issue | 4,647 |
| Page | 401 |
| Category | Stationary Engine |
| Part | 2 |
| Title | Grasshopper Haulage Engine - Valve Chest |
| Author | Stewart Hart |
| Notes | Completes his trilogy of stationary engines with a grasshopper haulage engine. Valve chest, general arrangement, cylinder assembly, front and rear covers |