| Year | 1939 |
| Date | 02-Mar |
| Volume | 80 |
| Issue | 1,973 |
| Page | 243 |
| Category | Steam |
| Part | |
| Title | Three Miniatures |
| Author | George Cresswell |
| Notes | Vertical engine and boiler oscillating type engine, double-acting slide valve engine with pump, free-lance locomotive with double-acting slide valve cylinders and Walschaert reversing valve gear |