| Year | 2001 |
| Date | 09-Mar |
| Volume | 186 |
| Issue | 4,141 |
| Page | 219 |
| Category | Exhibition |
| Part | |
| Title | The 70th Model Engineer Exhibition. Competition Class Reports. Class A1: Hot air engines |
| Author | Julian Wood |
| Notes | Hans Haberland's collection, Stirling cycle engine by Hans Haberland, |