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Filter: Subject of machinery industry
| Date: | 05 25 1942 |
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| Description: | A factory worker operates a grinder at International Harvester's 20 millimeter gun plant. Original caption reads: "The Harvester gun plant management is es... |
| Date: | 05 25 1942 |
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| Description: | A factory worker operating a broaching machine at International Harvester's 20 millimeter gun plant. Original caption reads: "Broaching is a conspicuous fe... |
| Date: | 1942 |
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| Description: | A factory worker operates a Magnaflux machine at International Harvester's 20 millimeter gun plant. Original caption reads: "A Magnaflux machine is used to... |
| Date: | 05 25 1942 |
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| Description: | Female factory worker operating a broaching machine at International Harvester's 20 millimeter gun plant. Caption on photograph reads: "This American hydra... |
| Date: | 09 19 1941 |
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| Description: | Factory superintendent at St. Paul Works. "Medium Caliber Artillery Gun Manufacture. J.E. Harris, left, superintendent of St. Paul Works, confers with M.V.... |
| Date: | 05 25 1942 |
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| Description: | Assistant superintendent of International Harvester's St. Paul Works (factory) examines an artillery shell. Original caption reads: "M.V. Keeler, assistant... |
| Date: | |
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| Description: | Letterhead of the Miracle Pressed Stone Company, with a three-quarter view of a cement building block, nestled in the curve of the decorative capital "M" o... |
| Date: | 08 23 1960 |
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| Description: | A man is standing and working in front of a machine. Caption reads: "PROSPECTING DEVICE - When John Yungers completes this special project, it will ... |
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