| Year | 1949 |
| Date | 24-Mar |
| Volume | 100 |
| Issue | 2,496 |
| Page | 349 |
| Category | Locomotive |
| Part | |
| Title | "Maid," "Minx" and "Doris" |
| Author | LBSC |
| Notes | Injectors. Beginners please note - , cone reamers, injector body, cones or nozzles, a tight squeeze, steam cone, delivery cone, pipe diagram for Doris, delivery valve, how to erect "Doris's boiler |