| Year | 1952 |
| Date | 11-Dec |
| Volume | 107 |
| Issue | 2,690 |
| Page | 766 |
| Category | Locomotive |
| Part | |
| Title | "Britannia" in 3 1/2-in. Gauge |
| Author | LBSC |
| Notes | Smokebox Regulator. Superheater, distance-piece, regulator block, details of regulator, poppet valves, regulator shaft, bottom cover, how to assemble the regulator, erection |