| Year | 2023 |
| Date | 20-Oct |
| Volume | 231 |
| Issue | 4,728 |
| Page | 569 |
| Category | Historic |
| Part | 51 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The Trevithick Dynasty. Takes a look at the history and development of the stationary steam engine. Dolcoath Mine, the Bullan Garden workings, the Cornish mining districts showing distribution of Boulton and Watt engines in 1800, references |