| Year | 2011 |
| Date | 06-May |
| Volume | 206 |
| Issue | 4,403 |
| Page | 584 |
| Category | Locomotive |
| Part | 9 |
| Title | Great Western 5in. gauge locomotives |
| Author | Peter Rich |
| Notes | Continues his design for the 'Dean Single' and 'Armstrong' 4-4-0 classes. Coupling rod, crank pin, springs |