| Year | 1999 |
| Date | 15-Jan |
| Volume | 182 |
| Issue | 4,085 |
| Page | 75 |
| Category | Stationary Engine |
| Part | 1 |
| Title | Experiments With Valve Gears |
| Author | David Bull |
| Notes | Describes a number of experimental ideas for stationary steam plants. Introduction - setting the scene, the renaissance of an old engine, who made the Mikron? Main bearings, calculations for conventional slide valve |