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The International Association of Machinists and Aerospace Workers Photograph Collection largely consists of black and white 8" x 10" photographs which were used in its publications, the Machinists Monthly Journal and later, the Machinist.
circa 1890-1980; Majority of material found within 1940 - 1975
- Subject: Labor unions
- Subject: Aircraft industry -- Employees -- Labor unions
- Subject: Machinists
- Names: Machinists Non-Partisan Political League