| Year | 2021 |
| Date | 21-May |
| Volume | 226 |
| Issue | 4,665 |
| Page | 682 |
| Category | Stationary Engine |
| Part | 4 |
| Title | Thompstone Engine |
| Author | Jason Ballamy |
| Notes | Builds a mill engine first described in Model Engineer 120 years ago. Big end bearing and end plate, crosshead, crosshead slippers, crosshead pin, crosshead guides, piston rod, piston |