| Year | 2003 |
| Date | 31-Oct |
| Volume | 191 |
| Issue | 4,207 |
| Page | 492 |
| Category | Railway |
| Part | 8 |
| Title | Self Steering Wheel Sets and Swing Link Suspension |
| Author | David Hudson |
| Notes | A postscript to his original series, presents further analysis, previews a forthcoming feature on the construction of a passenger car |