| Year | 1951 |
| Date | 14-Jun |
| Volume | 104 |
| Issue | 2,612 |
| Page | 758 |
| Category | Locomotive |
| Part | |
| Title | "Britannia" in 3 1/2-in. Gauge |
| Author | LBSC |
| Notes | Section and plan of pump, how to machine the pump body, pump barrel flange, valves and upper clack, how to machine coupling rod bosses (rotating against a milling cutter), ram and gland, eccentric strap and rod, coupling rods |