| Year | 2021 |
| Date | 16-Jul |
| Volume | 227 |
| Issue | 4,669 |
| Page | 158 |
| Category | Historic |
| Part | 23 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Rise of Competition in Steam Engine Building. Takes a look at the history and development of the stationary steam engine. The structural cast-iron of the Ditherington Flax Mill, references |