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CIRCA 1953 - In this sci-fi film, an invisible alien tries to communicate in code with a scientist in her lab.
Footage of studio led light being turned on and off
Led light in centre
Usa - 1954 - a stamp honoring the steel industry is produced at the bureau of engraving and printing in washington, d.c.
Usa - 1950s - retired workers continue to work contracts through the mohawk development services in schenectady, new york.
CIRCA 1953 - In this sci-fi film, a scientist tries to help a partially-invisible alien who is struggling to breathe in her lab.
Usa - 1950s - at highway safety appliances, division of napco, in minneapolis, engineers and scientists developed a product to release grit in front of tires to improve safety for winter driving.

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Usa - 1950s - research on glass block for interior lighting is done at the ann arbor campus of the university of michigan, directed by dr. robert a. boyd.

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  • HD • 1920 × 1080 pixel • MP4

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  • 1:22

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