| Year | 1951 |
| Date | 18-Oct |
| Volume | 105 |
| Issue | 2,630 |
| Page | 516 |
| Category | Locomotive |
| Part | |
| Title | "Britannia" in 3 1/2-in. Gauge |
| Author | LBSC |
| Notes | Built-up pony truck frame, no special sections needed, the rectangular part, front section, how to braze the assembly, axleboxes and springs, wheels and axles |