| Year | 1999 |
| Date | 10-Sep |
| Volume | 183 |
| Issue | 4,102 |
| Page | 322 |
| Category | Stationary Engine |
| Part | 5 |
| Title | Harlequin & Hybriquin |
| Author | Mike Thurgood (South Africa) |
| Notes | Construction continues. Deals with valve spindle, cylinder covers and cylinder fitting to the 'A'-frame. Engine platform |