| Year | 2023 |
| Date | 16-Jun |
| Volume | 231 |
| Issue | 4,719 |
| Page | 34 |
| Category | Historic |
| Part | 47 |
| Title | The Stationary Steam Engine |
| Author | Ron Fitzgerald |
| Notes | The First Iron Beams, The Ascendency of the Elliptica Beam. Takes a look at the history and development of the stationary steam engine. Beam specimens tested by the Soho Foundry, Salford Twist Mill 100 hp engine beam, second design, iron beam and top of connecting rod for P.Benfield, references |