| Year | 2021 |
| Date | 12-Mar |
| Volume | 226 |
| Issue | 4,660 |
| Page | 369 |
| Category | Stationary Engine |
| Part | 5 |
| Title | The Middleton Double 'Monitor' Type Engine |
| Author | Rodney Oldfield |
| Notes | Constructs another of Bob Middleton's small but interesting engines. Eccentric sheaves, eccentric sheave flange, eccentric strap, eccentric rod end, the rod, the manifold, making the gaskets, setting up the engine |