| Year | 1931 |
| Date | 25-Jun |
| Volume | 64 |
| Issue | 1,572 |
| Page | 607 |
| Category | Locomotive |
| Part | |
| Title | Piston Valve Cylinders for 3 1/2-in. Gauge Locomotives |
| Author | Henry Greenly |
| Notes | Double-ported, end and back views of cylinders and details, full size detail of piston valves |