Animated diagrams show disease-laden habitat of flies in the U.S.
United States USA Date:1924 Duration:1 min 30 sec Sound:NO SOUND
Animated diagrams show the fly as a disease carrier in the United States. Animated diagram gives an idea of the places from where flies pick up and later distribute filth. These places are: horse stables, manure piles, milk pails, cow barns and pig pen. From these places they move to dwelling houses, kitchens and on food which causes diseases. Manure piles shown.
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