| Year | 2020 |
| Date | 13-Mar |
| Volume | 224 |
| Issue | 4,634 |
| Page | 440 |
| Category | Stationary Engine |
| Part | 4 |
| Title | The Middleton Double Sided Beam Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's stationary engines. Steam chest, steam inlet gland, drilling the cover onto the steam chest, chamfer the cylinder |