| Year | 2020 |
| Date | 05-Jun |
| Volume | 224 |
| Issue | 4,640 |
| Page | 803 |
| Category | Stationary Engine |
| Part | 9 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. The crank, secondary connecting rod - top end, the crank pin, main shaft, eccentric strap unit |