| Year | 1931 |
| Date | 26-Feb |
| Volume | 64 |
| Issue | 1,555 |
| Page | 199 |
| Category | Beam Engine |
| Part | |
| Title | The Old Dudley Beam Engine |
| Author | Geo. Gentry |
| Notes | Notes on the Scale Drawings. The piston, atmospheric engine, the crosshead, the steady rods, the guides, the piston connecting-rod, the beam, the main connecting-rod, the crank |