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Filter: Subject of Machinery industry
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| 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: | 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: | 05 25 1942 |
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| Description: | A factory worker operates a vertical broaching machine at International Harvester's 20 (Twenty) millimeter gun plant. Original caption reads: "Vertical bro... |
| Date: | 05 25 1942 |
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| Description: | Female factory worker operates a surface grinder at International Harvester's 20 (twenty) millimeter gun plant. Original caption reads: "This woman employe... |
| Date: | 01 13 1943 |
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| Description: | A woman operating a grinding machine at an International Harvester factory responsible for manufacturing aircraft torpedo parts. Original caption reads: "T... |
| Date: | 01 13 1943 |
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| Description: | A long line of female factory workers operating drill presses in an International Harvester aircraft torpedo plant. Original caption reads: "A battery of 1... |
| Date: | 01 13 1943 |
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| Description: | Female factory workers operating automatic screw machines at an International Harvester aircraft torpedo factory. Caption on photograph reads: "Two batteri... |
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| Description: | Gisholt 52" vertical boring mill. The machine has a turret head on the left hand side and "an attachment for crowning pulleys or fly wheels, capable of fin... |
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| Description: | Standard type of Gisholt Vertical Boring and Turning Mills manufactured as 52, 60, 64, and 72 inches. Gisholt was the first company to specialize in heavy ... |
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| Description: | Gisholt 22" Turret Lathe. The metal stamp states: "American Turret Lathe Mfg. Co. Patented December 26, 1899. Semi-Automatic. Warren, PA." The Pennsylvania... |
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| Description: | Standard Turret Lathe, "Conradson," by American Turret Lathe Company in Wilmington, Delaware, "Patented December 26, 1899." Gisholt was the first company t... |
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| Description: | Gisholt Standard Turret Lathe. The metal stamp states: "Gisholt Machine Co. Madison, Wis., U.S.A." Gisholt was the first company to specialize in heavy typ... |
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