| Year | 2020 |
| Date | 10-Apr |
| Volume | 224 |
| Issue | 4,636 |
| Page | 563 |
| Category | Stationary Engine |
| Part | 5 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. Slide valve, valve rod gland, valve rod, the beam |