40 BILLION ENEMIES

"Describes first the improvement of general health brought about by mechanical refrigeration since its development in the 1800s. The relation between temperature and food spoilage is explained." "The storing of foods in an electric refrigerator is demonstrated at length, and advice is given on the care and use of food." "The main value of the film derives from its graphic presentation of how to use a refrigerator. The film continuously emphasizes the importance of temperature in preserving perishable foods and omits health hazards caused by contamination. No advertising." Health films