| Year | 1953 |
| Date | 22-Jan |
| Volume | 108 |
| Issue | 2,696 |
| Page | 101 |
| Category | Locomotive |
| Part | |
| Title | "Britannia" in 3 1/2-in. Gauge |
| Author | LBSC |
| Notes | Alternative Regulator of the Slide-Valve Type. Distance pieces, regulator body and valve, operating gear, how to assemble and erect, regulator rod and backhead gland |