gear

1930s

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Detroit Michigan, 12-speed auto appears, Czech inventor introduces 6-…

1980s

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Wide and medium shots of group of men inspecting the room in which…

1980s

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Close up of a man mixing paint. Wide and close up shots of a man…

1980s

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Various shots of men in protection gear working at construction site. A…

1980s

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Construction workers use a bulldozer to fill a pit that holds…

1950s

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CU of candle. A shot of a contraption. A rod pokes the contraption and…