| Year | 1979 |
| Date | 01-Jun |
| Volume | 145 |
| Issue | 3,610 |
| Page | 633 |
| Category | Locomotive |
| Part | 8 |
| Title | 'Columbia'. A Baldwin U.S.A. based design for 3 1/2 in. gauge |
| Author | Martin Evans |
| Notes | Some motion parts, motion brackets, connecting rods, valve crosshead, slide bars |