Date: | 1969 |
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Description: | Two construction workers with hard hats at the World Trade Center. |
Date: | 1945 |
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Description: | Two workers in coveralls and hardhats underground at International Harvester's Hawkins Mine near Hibbing, Minnesota. |
Date: | 1945 |
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Description: | Two workers, both in overalls and hardhats, use tools underground at International Harvester's Hawkins Mine in Hibbing, Minnesota. One man uses a drill wh... |
Date: | 1900 |
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Description: | Men working with hot metal in what appears to be a forge at the McCormick Reaper Works factory. |
Date: | 1969 |
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Description: | Three construction workers, two in the hole, and one above, digging at the World Trade Center construction site. |
Date: | 01 13 1943 |
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Description: | A factory worker uses an oxy-acetylene torch to fit a copper tube in the production of an aircraft torpedo. He is wearing an International Harvester Compan... |
Date: | 1960 |
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Description: | Joe Weyenberg and two other men work with molten metal at the Roloff Manufacturing Company. |
Date: | 1979 |
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Description: | During an energy tour of his district Congressman Obey visited various sites to observe projects to increase energy efficiency. Here a workman is preparing... |
Date: | |
---|---|
Description: | A Gisholt Machine Company factory worker, wearing protective glasses, is using a wheel to position a large cauldron for pouring molten metal into a mold to... |
Date: | |
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Description: | Two employees of Gisholt Machine Company are pouring molten metal from large cauldrons into molds as another worker looks on. A company supervisor is stand... |
Date: | |
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Description: | Workers pouring liquid metal from large cauldrons at the Gisholt Machine Company foundry. |
Date: | 1920 |
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Description: | View of a male employee working at hot metal press machine inside a factory. |
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