| Year | 1984 |
| Date | 02-Mar |
| Volume | 152 |
| Issue | 3,724 |
| Page | 278 |
| Category | Beam Engine |
| Part | 8 |
| Title | A Half-Beam Grasshopper Engine |
| Author | L.W.C.Broomfield |
| Notes | Crankweb, eccentric, eccentric strap, flywheel, valve bellcrank, handle and pivot, valve crosshead, disengaging gear and handle |