| Year | 1951 |
| Date | 27-Sep |
| Volume | 105 |
| Issue | 2,627 |
| Page | 417 |
| Category | Locomotive |
| Part | |
| Title | "Britannia" in 3 1/2-in. Gauge |
| Author | LBSC |
| Notes | Sliding block, bogie pin and spacer, how to erect the bogie, pony truck, how to machine a cast frame, how to fit control springs |