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Dash Coil with Switch
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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, from the Thordarson's Electrical Specialties catalog is described as having a mahogany case that is "lock-cornered, highly polished and finished with the best grade of varnish available for outdoor use. Made in removable and non-removable vibrators."
circa 1910-1919
Thordarson, Chester Hjörtur , 1867-1945
Publication Information
Physical Description
Collection Information
Copyright Information
W0129J4
WHi 28499
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Thordarson's Multiple Lighting Transformer
circa 1880-1945
Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famous for inventing the electrical transforme...
Shipping Room at Thordarson Electrical Manufacturing
circa 1910-1919
Workers get transformers ready for distribution in the shipping department at Thordarson Electical Manufacturing Company. Chester Thordarson was a Chicago inventor and manufacturer of electical ap...
High Voltage Test Transformers
circa 1880-1945
Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famous for inventing the electrical transforme...
Core Iron Press Room
circa 1910-1919
Speed presses stamp out core laminations for transformers at Thordarson Electical Manufacturing Company. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famous f...
Rhumkorff Coils
circa 1880-1945
Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famous for inventing the electrical transforme...
1,000,000 Volt Coil
circa 1910-1919
Workers construct a 1,000,000 volt coil at Thordarson Electical Manufacturing Company.
