1930s, 1940s

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Group of children pull a man riding a homemade flying contraption in an attempt to fly.

1960s

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Close up of a little girl’s face. Lots of little children talking together. A little girl eats a…

1960s

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California Governor Ronald Reagan gives a speech at a podium with microphones. He speaks about the…

Unspecified

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Demonstration of how an oscilloscope reads high pitched tones that humans can hear as well as ultra…

1970s

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A white couple is served by a waitress in a restaurant with wood paneling. They cut into their…

1920s

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An old woman gives a speech about alcohol to a group of people in a room. There is a wide shot of…

1930s

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Men at work on the construction site of a New York skyscraper. A bucket is lifted into the air by a…

1930s

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City Hall at Civic Center San Francisco. The Federal Mint. Armed officers. People stacking metal…

1920s

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A man in a bar gives a speech about the evils of alcohol. Then he smashes a jar of alcohol behind…