| Year | 1953 |
| Date | 05-Nov |
| Volume | 109 |
| Issue | 2,737 |
| Page | 543 |
| Category | More Utility Steam Engines |
| Part | |
| Title | The "Cygnet". A Single-Acting Horizontal Twin |
| Author | Edgar T.Westbury |
| Notes | Introducing The "Cygnet". Practical efficiency, general arrangement, the virtue of simplicity, working principles, valve port face |