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+"United States USA" +1924 stock footage and images
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A fly sucks liquid with its proboscis and expels the liquid on food which causes diseases in the U.S.
Animated diagrams show the fly as a disease carrier in the United States. A fly sucks liquid with its proboscis. Microscopic views of a fly. The fly expels all the filthy substances he has fed on onto the food. A fly sits on a flask. It sits on a dining table and then on a plate of sweets. A girl eats a sweet.
Fly specks on a menu card are found to contain tuberculosis bacillus in the U.S.
Experiments on fly specks show the fly as a disease carrier in the United States. A fly moves on a menu card. A cup and a serving of sugar cubes on a dining table. The fly sits on sugar cubes. Experiments are performed which show that these fly specks frequently contain disease germs in an active and virulent state. After incubation the fly specks show living germs of typhoid and spinal meningitis. Tuberculosis bacillus seen.
Charts illustrate incidence of flies to intestinal diseases and typhoid fever and their breeding places in the U.S.
Animated diagrams show the fly as a disease carrier in the United States. Animated diagram based on statistics shows the relation of intestinal diseases to the prevalence of flies and depicts deaths from typhoid. Views of eggs of fly. They develop into hairless whitish larvae. While feeding on the manure in which they live the larvae gradually change into pupae. At the termination of the pupa stage the fly comes out of the pupa case.
Methods to combat disease carrying fly by using formalin are shown in the U.S.
A data shows that the fly is responsible for millions of progeny in the United States. The data depicts that as an adult female fly lays batches of 150 to 200 eggs several times during her short life, she is responsible for millions of progeny. To terminate the young flies: a woman pours formalin into a plate and places it in a window. The flies are poisoned and are terminated.
Methods to combat disease carrying fly by cleaning and screening in the U.S.
Methods to protect human beings from disease-carrying flies in the United States. Food suppliers at a shop - those protect merchandise from the flies. They keep their merchandise in glass shelves. A man screens his house with his child. A diagram shows exterminated fly.
Douglas World Cruisers take off from the U.S. for their first flight from America to Asia.
U.S. Army Air Service Douglas World Cruisers (DWC) in the United States during the first flight around the world. In Aleutian Islands, Alaska: Flier Douglas World Cruiser on a lake before the hop across the Pacific to Japan. A snow-covered mountain in the background. Two cruisers. One of the cruisers warms up. One of the cruisers as it is being raised onto a Coast Guard ship. Raised aircraft engine shows engine change in Lieutenant Leigh Wade's (Pilot of the World Cruiser) airplane for a hop to Attu Island in Japan. Lt. Lowell H. Smith standing on the nose of the aircraft holding the propeller blade. A stationary cruiser on a shore. Another cruiser seen. Both are equipped with pontoons. Three of the world cruisers in flight while they are in their first flight from America to Asia. Animated map shows the dangerous route across the Pacific. The Pacific crossed by airplane. Animated map of the coastline of North America and Asia with 'Second Division Chicagoff to Kagoshima, Japan' written on the map.