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Underwater images of marine tube worms and a sea feather. (1930s)
CIRCA 1920 - Aloxite redmanol high sped whels remove metal and grind the teth of a bandsaw in a plant in East Chicago, Indiana.
CIRCA 1920s - The Aloxite wheel is used for grinding the teeth of a saw, and Carborundum paper and cloth is used for finishing shoes.
1930s - A car drives along a road near Salt lake City, Utah in the 1930' and across the salt flats.
1930s: A schoolboy asks about how a cavity is formed and his teacher explains, with an animation, in 1935.
CIRCA 1920s - Dynamite is given credit for many of the advancements in modern American in the 1920s.
Circa 1920s - seaplanes take off and make arrested landings on an the uss langley.

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1043746717
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素材 影片 編號: 1043746717

CIRCA 1920 - Aloxite wheels are used to grind the teeth of a band saw.

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  • 每秒格數 (FPS):29.97

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  • 0:29

影片 投稿人

Rick RayRick Ray

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