| Year | 2021 |
| Date | 01-Jan |
| Volume | 226 |
| Issue | 4,655 |
| Page | 102 |
| Category | Stationary Engine |
| Part | 10 |
| Title | Grasshopper Haulage Engine |
| Author | Stewart Hart |
| Notes | Completes his trilogy of stationary engines with a grasshopper haulage engine. Finishing off, the wooden base, regulator assembly, valve spindle, wooden base, stem bolt, regulator handle, whistle assembly, valve body, the whistle body, conclusion |