| Year | 1979 |
| Date | 07-Sep |
| Volume | 145 |
| Issue | 3,616 |
| Page | 1,028 |
| Category | Locomotive |
| Part | 11 |
| Title | 'Columbia'. A Baldwin U.S.A. based design for 3 1/2 in. gauge |
| Author | Martin Evans |
| Notes | Superheater, throttle block, reach rod, reversing wheel. cab reverser, Laurie says |