| Year | 1993 |
| Date | 17-Sep |
| Volume | 171 |
| Issue | 3,953 |
| Page | 340 |
| Category | General |
| Part | 5 |
| Title | Vapour Trouble? |
| Author | Jim Forrest |
| Notes | Assembling and setting up. The automatic unit, setting up and using the unit, variations and conclusions, picture on page 319 |