| Year | 1930 |
| Date | 21-Aug |
| Volume | 63 |
| Issue | 1,528 |
| Page | 171 |
| Category | Locomotive |
| Part | |
| Title | The "Halton" 5-in. Tank. A Working Model 4-6-4 Tank Locomotive now being built by the apprentices at R.A.F. Camp at Halton |
| Author | Henry Greenly |
| Notes | Double-ported, inside admission piston-valve cylinders, piston valves and liners, main frames, cylinders, weighshaft, buffers, arrangement of valve gear and motion, boiler, smokebox and pipe arrangement |