| Year | 1989 |
| Date | 01-Sep |
| Volume | 163 |
| Issue | 3,856 |
| Page | 278 |
| Category | Countryman's Steam |
| Part | 14 |
| Title | Superba. Fowler Class Z7 and Superba Ploughing Engine in 2 in. scale |
| Author | John Haining |
| Notes | Gear layout reply, the engine tenders, water storage and supply |