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CIRCA 1930s - Nails are churned out en masse in a factory using automation.
CIRCA 1930 - Sheet silver is stamped, annealed, cross-rolled, graded, outlined and cut into a spoon in a factory.
CIRCA - 1956 - A look at how steel slab is made into tin plate at the United States Steel Company plant.
CIRCA 1920 - Freshly blended tea from Ceylon, Sri Lanka is machine packed at a factory.
CIRCA 1952 - The air-less injector method for Diesel engines is shown in its testing stages.
CIRCA 1940s - Buffing is shown as well as sandblasting and a tumbling barrel is used to create a desired surface effect in aluminum finishes.
CIRCA 1939 - Men operate a large drill press in a New York factory.

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31442590

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CIRCA 1930 - Shet silver is stamped, annealed, cross-rolled, graded, outlined and cut into a spoon in a factory.

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