| Year | 1989 |
| Date | 03-Mar |
| Volume | 162 |
| Issue | 3,844 |
| Page | 324 |
| Category | Keith's Column |
| Part | 9 |
| Title | How the Darn Thing Works. A light-hearted, but useful, look at the Steam Engine |
| Author | Keith Wilson |
| Notes | Wheels quartered, Stephenson link motion, mid-gear and the reverser |