| Year | 1989 |
| Date | 04-Aug |
| Volume | 163 |
| Issue | 3,854 |
| Page | 161 |
| Category | Countryman's Steam |
| Part | 13 |
| Title | Superba. Fowler Class Z7 and Superba Ploughing Engine in 2 in. scale |
| Author | John Haining |
| Notes | Front axles and wheels, steering gear, chains and connections |