| Year | 1998 |
| Date | 04-Dec |
| Volume | 181 |
| Issue | 4,082 |
| Page | 680 |
| Category | Locomotive |
| Part | 8 |
| Title | Hindsight (Locomotive building) |
| Author | Tom Garner (South Africa) |
| Notes | Reflects on some aspects of the small steam engine. Valve gears: general, slip eccentric valve gear |