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UNITED STATES 1960s: Machine forming commutator bars. Machine speeds up.

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By AV Geeks

  • Stock footage ID: 24535115
Video clip length: 00:25FPS: 29.97Aspect ratio: 16:9Editorial use only. Learn more
HD$791920 × 1080MOV402.3 MB
SD$65852 × 480MOV29.1 MB

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