| Year | 2020 |
| Date | 17-Jan |
| Volume | 224 |
| Issue | 4,630 |
| Page | 184 |
| Category | Stationary Engine |
| Part | 2 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. Revised base plate, cylinders, cylinder mounting plates, beam shaft support bearings |