| Year | 2004 |
| Date | 12-Nov |
| Volume | 193 |
| Issue | 4,234 |
| Page | 539 |
| Category | On the cover ... |
| Part | |
| Title | 1:8 scale working miniature 18-cylinder, opposed-piston, 2-stroke, spark ignition engine by Clen Tomlinson |
| Author | |
| Notes | At the Harrogate 2004 exhibition. (Photograph by Mike Chrisp) |