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1950s: Animated children demonstrate power plant energy conversion with steam, pinwheels and magnets. Children become boiler, turbine and generator. Boiler become atomic reactor.
1970s: Standardization, utilizing the Metric System, makes international trade easier and scales, hardware, products and countries are shown, in a cartoon, in 1973.
1970s: A scale, milk carton, ruler, shoe and a city with a truck driver help illustrate conversion to the metric system, in a cartoon, in 1973.
1970s: Founding Fathers Thomas Jefferson and John Quincy Adams and, in 1973, American science and pharmaceutical industry use the Metric System, in a cartoon.
CIRCA 1940s Tuskegee airmen practice flying during training.
1960s - Hurricane Betsy threatens New Orleans.
1970s: Metric System scales are used to weigh meat, a person and a truck and a safety pin and a dime are compared to grams, in a cartoon, in 1973.

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26738833

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Stock Video ID: 26738833

1970s: Railroad tracks, outer space, hardware and sayings are shown as well as units of measurement from the Metric System, in a cartoon, in 1973.

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