| Year | 1918 |
| Date | 14-Nov |
| Volume | 39 |
| Issue | 916 |
| Page | 266 |
| Category | Queries and Replies |
| Part | |
| Title | "Valves and Valve Gearing" by Charles Hurst; "Slide Valves" by W.D.Wansborough; "Valve Gears for Steam Engines" by C.H.Peabody; "Valve Gears" by H.W.Spangler |
| Author | E.S. |
| Notes |