| Year | 1954 |
| Date | 29-Apr |
| Volume | 110 |
| Issue | 2,762 |
| Page | 461 |
| Category | More Utility Steam Engines |
| Part | |
| Title | Boiler Design and Construction |
| Author | Edgar T.Westbury |
| Notes | The Blakeney test boiler with "Unicorn" engine, a simple test boiler, firing, a three-cylinder radial engine inspired by the "Cygnet" design, port face view, alternative connecting-rod, assembly, "Cygnet" flashbacks, crankhead brasses |