| Year | 2005 |
| Date | 24-Jun |
| Volume | 194 |
| Issue | 4,250 |
| Page | 752 |
| Category | Locomotive |
| Part | 1 |
| Title | Rocker Lever Drives on GWR and LMS 4-Cylinder Locomotives |
| Author | Peter Rich |
| Notes | Explains some of the mysteries. North Star, general arrangement for 5" gauge model of G.W.R. 4-4-2 locomotive No. 40 "North Star" |