| Year | 1999 |
| Date | 13-Aug |
| Volume | 183 |
| Issue | 4,100 |
| Page | 212 |
| Category | Countryman's Steam |
| Part | 2 |
| Title | The Sissons Portable Engine in 2in. scale |
| Author | John Haining |
| Notes | Describes the boiler and smokebox. Early portable engines, boiler for the Sissons engine, suppliers |