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Description: | Workers hand wind filament on transformers at Thordarson Electical Manufacturing Company. Chester Thordarson was a Chicago inventor and manufacturer of el... |
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Description: | Workers get transformers ready for distribution in the shipping department at Thordarson Electical Manufacturing Company. Chester Thordarson was a Chicago... |
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Description: | Speed presses stamp out core laminations for transformers at Thordarson Electical Manufacturing Company. Chester Thordarson was a Chicago inventor and man... |
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Description: | The general press room is where sheet metal is made into housing for transformers, and fibre and bakelite insulators are formed at Thordarson Electical Man... |
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Description: | Workers construct a 1,000,000 volt coil at Thordarson Electical Manufacturing Company. |
Date: | 1905 |
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Description: | A group of men sit at desks and listen to J. Newman from Deering Works give a lecture on electricity. |
Date: | 11 08 1961 |
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Description: | A prototype being tested in the research test lab of the Falk Corporation. Original Falk caption reads, "Temperature lube test, 8RT3 Prototype. Set up of l... |
Date: | 09 19 1941 |
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Description: | Factory workers use a crane mounted on a truck to unload a transformer on the loading dock of International Harvester's St. Paul Works. Original caption re... |
Date: | 1940 |
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Description: | Factory worker at International Harvester's Indianapolis Works (Truck Engine Works). Original caption states: "Plug in type ammeters prove to be better pro... |
Date: | 1937 |
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Description: | A conveyor system suspended from the ceiling at International Harvester's Springfield Works transports truck parts across the workroom floor. There are sky... |
Date: | 1937 |
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Description: | A conveyor system suspended from the ceiling moves truck parts across the floor at International Harvester's Springfield Works factory. Rows of large lamps... |
Date: | 1937 |
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Description: | A group of men wearing overcoats and hats are standing on either side of an International truck on the assembly line at International Harvester's Springfie... |
Date: | 1902 |
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Description: | A bird's-eye view illustration of the Northern Electrical Manufacturing Company. The company was founded in 1895 by four Madison businessmen, Conrad M. Con... |
Date: | 1972 |
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Description: | An African-American man, William McQuinn, is cutting material for sofas. He is wearing a striped shirt and standing at a long bench. He is using what appea... |
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