| Year | 2007 |
| Date | 21-Dec |
| Volume | 199 |
| Issue | 4,315 |
| Page | 759 |
| Category | Keith's Column |
| Part | 5 |
| Title | 'Knotty'. A Unique Locomotive. Designed for 5in. and 7 1/4in. gauge |
| Author | Keith Wilson |
| Notes | 5"g. crank axles and jigs. Comparison of common imperial vs. metric copper plate equivalents, Wilson's Words of Wisdom |