| Year | 2004 |
| Date | 28-May |
| Volume | 192 |
| Issue | 4,222 |
| Page | 621 |
| Category | Locomotive |
| Part | 6 |
| Title | Penrhos Grange |
| Author | Neville Evans |
| Notes | Cylinders for full size and miniature locomotives. The model cylinders, machining the cylinder castings, frame modifications |