| Year | 2020 |
| Date | 19-Jun |
| Volume | 225 |
| Issue | 4,641 |
| Page | 37 |
| Category | Historic |
| Part | 9 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | Watt's Years of Struggle. Takes a look at the history and development of the stationary steam engine. Clarification (of illustrations), the proposed first engine at Kinneal House, specification, references |