| Year | 1953 |
| Date | 24-Sep |
| Volume | 109 |
| Issue | 2,731 |
| Page | 378 |
| Category | More Utility Steam Engines |
| Part | |
| Title | The "Unicorn" mill engine |
| Author | Edgar T.Westbury |
| Notes | Governor frame, fitting the gears, governor weights, yoke, push-rod and collar, governor lever, throttle lever and link, driving pulley |