| Year | 2024 |
| Date | 23-Aug |
| Volume | 233 |
| Issue | 4,750 |
| Page | 309 |
| Category | Stationary Engine |
| Part | 1 |
| Title | A Tandem Compound Mill Engine |
| Author | David Thomas |
| Notes | Builds Arnold Throp's model of a Corliss mill engine. Introduction, history; the origin of the model, the castings as received, history; George H. Corliss, George Corliss' patent for a 'Rotary Steam Valve', Arnold Throp's original model now displayed at the Powerhouse Museum in Sydney NSW, a screen capture of the 3D CAD model (Alibre 27), a general assembly drawing of the model, cross-section drawn on the cylinder vertical centre line, the current state of the new model, references |