| Year | 2020 |
| Date | 14-Feb |
| Volume | 224 |
| Issue | 4,632 |
| Page | 288 |
| Category | Stationary Engine |
| Part | 3 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. Cylinder block porting, cylinder top cover, piston and piston rod, piston rod glands |