| Year | 1956 |
| Date | 21-Jun |
| Volume | 114 |
| Issue | 2,874 |
| Page | 1,024 |
| Category | Stationary Engine |
| Part | |
| Title | Beam Engines |
| Author | Ian Bradley |
| Notes | Eastbury Pumping Station at Watford. The Queen Mary beam engine, the Corliss valve gear, the barring engine, pump rodm chequer plate, removal engine |