| Year | 2003 |
| Date | 25-Jul |
| Volume | 191 |
| Issue | 4,200 |
| Page | 90 |
| Category | Stationary Engine |
| Part | |
| Title | A Bourdon Tube Engine |
| Author | Colin Andrews |
| Notes | Simple steam engine first proposed over 150 years ago. Simplicity, Bourdon tube, post, flywheel, platform, bearing blocks, crank discs, and now... |