| Year | 1937 |
| Date | 29-Jul |
| Volume | 77 |
| Issue | 1,890 |
| Page | 110 |
| Category | Domestic |
| Part | |
| Title | Adapting Air Compressors to Refrigeration |
| Author | Edgar T.Westbury |
| Notes | Basic principles, cooling by evaporation, diagrammatic layout of a simple system, ammonia gas, carbon dioxide |