| Year | 1931 |
| Date | 17-Sep |
| Volume | 65 |
| Issue | 1,584 |
| Page | 274 |
| Category | Stationary Engine |
| Part | 3 |
| Title | Model Stationary Engines for the Workshop |
| Author | Henry Greenly |
| Notes | Their Design in View of Modern Developments in Power Practice. Ejector condenser, details, outdoor condenser, simple ejector jet apparatus, double check valves, small power "Edwards" type air-pump |