| Year | 2021 |
| Date | 29-Jan |
| Volume | 226 |
| Issue | 4,657 |
| Page | 220 |
| Category | Historic |
| Part | 17 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Devil of The Rotations is a Foot. Takes a look at the history and development of the stationary steam engine. Wilkinson's Bradley Forge Sun-and-Planet Engine, references |