| Year | 2001 |
| Date | 20-Apr |
| Volume | 186 |
| Issue | 4,144 |
| Page | 396 |
| Category | Road Locomotive |
| Part | |
| Title | Research can be Fun! |
| Author | Bernard Lundberg |
| Notes | Pursues a diligent search for information, Clayton undertype rigid tipper wagon in 2in. scale. Coincidence, the RLS collection, steering gear, another revelation, unique valve gear, hedging my bets, wheels within wheels, the way it happened, just in time |