| Year | 2016 |
| Date | 13-May |
| Volume | 216 |
| Issue | 4,534 |
| Page | 722 |
| Category | Steam |
| Part | 3 |
| Title | Compression in Steam Engines - Good or bad? |
| Author | Inchanga |
| Notes | Continues his look at the mechanics of steam within a cylinder. Clearance volume, valve timing issues, vacuum condenser, indicator diagrams, James Watt and his experimental work |