| Year | 1993 |
| Date | 01-Jan |
| Volume | 170 |
| Issue | 3,936 |
| Page | 30 |
| Category | Countryman's Steam |
| Part | |
| Title | Historical Note. Portable engine |
| Author | John Haining |
| Notes | Coulson and Wear of Rock Iron Works, Stamford, Fowler slanting shaft ploughing engine based on the Kitson and Hewitson design |