| Year | 2004 |
| Date | 20-Aug |
| Volume | 193 |
| Issue | 4,228 |
| Page | 205 |
| Category | Locomotive |
| Part | 9 |
| Title | Penrhos Grange |
| Author | Neville Evans |
| Notes | Discusses the development of the prototype boiler, refers to boiler fittings and silver soldering techniques. GWR standard no. 1 boiler, the small boiler, apologies, Dennis Pearson's 5"g. Arden Manor |