| Year | 1989 |
| Date | 17-Feb |
| Volume | 162 |
| Issue | 3,843 |
| Page | 216 |
| Category | Locomotive |
| Part | 1 |
| Title | Joy Valve Gear |
| Author | Martin Evans |
| Notes | Described and set out. Ex. LNWR/LMS class G2A 0-8-0 loco at Willesden shed, L&YR 2-4-2 tank by D.R.Ketley, inside Joy gear, designing Joy valve gear for models, construction of the Joy slide-shaft |