| Year | 1954 |
| Date | 14-Jan |
| Volume | 110 |
| Issue | 2,747 |
| Page | 28 |
| Category | Locomotive |
| Part | |
| Title | Titfield Thunderbolt in 3 1/2 and 5 inch Gauges |
| Author | LBSC |
| Notes | Longitudinal section of boiler, after thirty years, years of experience, cross section through firebox, discarded over thirty years ago! Smokebox tubeplate, something different, barrel and firebox casing, firebox and crown stays, details of bushes |