| Year | 1951 |
| Date | 15-Feb |
| Volume | 104 |
| Issue | 2,595 |
| Page | 233 |
| Category | "L.B.S.C.'s" Beginners' Corner |
| Part | |
| Title | "Tich". A 3 1/2-in. Gauge 0-4-0 Contractor's Locomotive |
| Author | LBSC |
| Notes | Safety Valves. The spring-balance type, the action of the valve,how to make the parts, lever and accessories, drilling and slotting, spring-balance, how to assemble, direct-acting safety-valve, dome covers, dummy valves |