| Year | 1989 |
| Date | 05-May |
| Volume | 162 |
| Issue | 3,848 |
| Page | 578 |
| Category | Locomotive |
| Part | 2 |
| Title | Instant Blowdown |
| Author | A.B.Fordyce (New Zealand) |
| Notes | Constructional details on a cab operated 1.12 scale T.I.A. Blowdown valve, as used on N.Z.G.R. steam locomotives. Drain, overflow and shroud, boiler connections, cab control valve, appendix |