Drawing
High Voltage Test Transformers
| Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famous for inventing the electrical transformer in 1904. He was also known for his bequest of what was the core of the UW-Madison rare book collection and his estate on Rock Island in Door County. This item is from the Thordarson Electric Company Electrical Laboratory and Demonstration Apparatus catalog. It is described as "an oil insulated transformer for testing insulating oils, insulation of all kinds and general laboratory use." |
| Image ID: | 28516 |
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| Creation Date: | date unknown |
| Creator Name: | Unknown |
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| Collection Name: | Chester Hjörtur Thordarson papers, 1880-1945 |
| Genre: | Drawing |
| Original Format Type: | drawings |
| Original Format Number: | M89-209 Box 1 |
| Original Dimensions: | 9 x 11 inches |
| See M97-130 Box 12 Folder 3 for original catalog. |
| Inventions |
| Electric apparatus and appliances |
| This image is issued by the Wisconsin Historical Society. Use of the image requires written permission from the staff of the Collections Division. It may not be sold or redistributed, copied or distributed as a photograph, electronic file, or any other media. The image should not be significantly altered through conventional or electronic means. Images altered beyond standard cropping and resizing require further negotiation with a staff member. The user is responsible for all issues of copyright. Please Credit: Wisconsin Historical Society. |
| Location: | Wisconsin Historical Society Archives, 4th Floor, Madison, Wisconsin |
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