| Year | 1930 |
| Date | 13-Mar |
| Volume | 62 |
| Issue | 1,505 |
| Page | 247 |
| Category | General |
| Part | |
| Title | Water Raising by Air Pressure |
| Author | |
| Notes | The New "Hydrautomats" and Their Application. Illustrating the actions, air compressor, "Rarefier" or "Apirator", air lift pump |