| Year | 1953 |
| Date | 08-Oct |
| Volume | 109 |
| Issue | 2,733 |
| Page | 423 |
| Category | More Utility Steam Engines |
| Part | |
| Title | The "Unicorn" mill engine |
| Author | Edgar T.Westbury |
| Notes | Castings and parts from W.H.Haselgrove, feed pump, delivery housing, air vessel, gland, plunger, driving gear, assembly |