| Year | 1966 |
| Date | 18-Feb |
| Volume | 132 |
| Issue | 3,291 |
| Page | 173 |
| Category | Steam |
| Part | |
| Title | Single-Acting Steam Engines |
| Author | Edgar T.Westbury |
| Notes | Brotherhood 3-cylinder radial engine, Willans three-cylinder 'valveless' engine, Westinghouse centre-valve twin cylinder engine |