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1930s: Steam vapor comes out of ovens baking asbestos panels.
1930s: Intertitle "Plastic mixture is rolled and cut to size". Machine drum spins slowly.
CIRCA 1920s - Coins are annealed and readied for stamping in the Ottawa Royal Mint in the 1920s - .
1930s: Words explain glass is turned over. Machine rolls glass into turning machine. Machine flips.
CIRCA 1922 - Shingles are made at an asbestos factory.
CIRCA 1920s - Gold and silver bars are rolled into strips, cut into coins, and weighed in the Ottawa Royal Mint in the 1920s - .
1950s: Large ceiling crane, inside refiner, lowers sheets of metal into large bin. Two men assist. Two men secure sheets in position.

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1068522110
Descripción de Video

Identificación del Video de stock: 1068522110

1930s: Factory machinery raises and lowers. Asbestos panels are extruded and stamped.

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Formatos Video

Fotogramas por segundo

  • 24 fps

Duración

  • 0:16

Colaborador Video

AV GeeksAV Geeks

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