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Photograph

Man Using Microscope

Date: 1943
Description: A man using a microscope to match a ball bearing for an aircraft torpedo at an International Harvester factory. The original caption reads: "A powerful mic...
Photograph

Workers at Airplane Assembly Plant

Date: 01 24 1930
Description: View of two factory men at work desks at a plant that assembled Comet aircraft engines. They are sitting on wooden stools between Korn scales in a narrow b...

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