| Year | 2020 |
| Date | 17-Jul |
| Volume | 225 |
| Issue | 4,643 |
| Page | 166 |
| Category | Stationary Engine |
| Part | 12 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. Valve rod slide, primary connecting rods, bottom nuts and bolts for primary connecting rods, gaskets, setting the slide valve, steam input pipes |