| Year | 2008 |
| Date | 04-Jan |
| Volume | 200 |
| Issue | 4,316 |
| Page | 39 |
| Category | Locomotive |
| Part | |
| Title | Watch Your Gear - With a Webcam |
| Author | David Turner |
| Notes | Suggests a method of checking valve gear settings. How to do it? Data analysis, what causes these defects? Further improvements, references |