| Year | 2021 |
| Date | 21-May |
| Volume | 226 |
| Issue | 4,665 |
| Page | 686 |
| Category | Historic |
| Part | 21 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Yorkshire Textile Mill Engine. Takes a look at the history and development of the stationary steam engine. Rotative atmospheric engine at Morley near Leeds 1790, references |