| Year | 1962 |
| Date | 08-Mar |
| Volume | 126 |
| Issue | 3,165 |
| Page | 307 |
| Category | Locomotive |
| Part | |
| Title | "Firefly", a GWR 4500 class 2-6-2 tank engine in 3 1/2, 4 3/4 and 5 in. gauges |
| Author | Martin Evans |
| Notes | Boiler fittings for the three gauges. Grate, safety valve, ashpan |