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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: | 09 1938 |
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Description: | View of the underside of the "Rocket" amusement ride at the Canadian National Exhibition, powered by an International U-7 power unit. The ride was owned b... |
Date: | 10 1927 |
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Description: | Freshly pressed clothing hanging on a metal bar off an Apex electric ironing machine. |
Date: | 06 1923 |
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Description: | Mrs. J.E. Waggoner passing plaid fabric through a wringer after using an electric washing machine. A washboard is hanging on the wall in the background, an... |
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