| Year | 1934 |
| Date | 05-Apr |
| Volume | 70 |
| Issue | 1,717 |
| Page | 321 |
| Category | Locomotive |
| Part | |
| Title | Slide Valve Cylinders of the Piston Valve Type for Locomotive Models |
| Author | Henry Greenly |
| Notes | External forms of "valves-on-top" cylinders, the common arrangement, the correct outline, American type loco with slide valves showing correct outline of piston valve cylinders, design for slide valve cylinders with inclined joint and spigotted valve face, cylinders for 10 m/m and 1" scales, patterns for 5"g. cylinders, leading dimensions of 3/4" scale one piece cylinder, machining modification to conform with the externals of G.W.R. practice |