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Date:  date unknown

Description: Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo...

Date: 1919 ca.

Description: Inventor, B.L. Boboroff, displays his vote recording device to members of the U.S. House of Representatives.

Date: 1941-07-31 ca.

Description: People gathered around a Farmall Regular tractor on the farm of Clarence L. Dauberman. Original caption reads: "Sydney G. McAllister, chairman, executive c...

Photograph

Horse-Powered Saw

Date: 1925 ca.

Description: Photographic illustration of two men cutting wood with a saw powered by horses on a treadmill. The horses and treadmill were added by an artist's drawing.

Photograph

Thomas Alva Edison

Date:  date unknown

Description: Portrait of Thomas A. Edison.

Date: 1955 ca.

Description: Elevated view from shoreline of the "Monona-Mobile" (pontoon boat) which is powered by an automobile. There is a man standing on a pier on the left watchin...

Drawing

Barometer Gauge

Date: 1863 ca.

Description: A gauge part of a barometer.

Date: 1916-05-17 

Description: Men gathered outdoors around a cotton picking machine exhibited at the National Implement and Vehicle Association Meeting.

Date:  date unknown

Description: Two barefoot men are standing and looking at a dilapidated outhouse, which has a sliding board for a seat extending out of the sides of the outhouse. The b...

Photograph

John F. Appleby

Date:  date unknown

Description: Portrait of inventor John F. Appleby. The Wisconsin inventor is credited with inventing a knotting mechanism that made twine grain binders possible in the...

Photograph

Man with Wings

Date: 1909 before

Description: An unidentified man demonstrates his unsuccessful bird wing-like mechanism, which was part of an experiment in aviation.

Date: 1933 

Description: Map created by International Harvester entitled "The United States as it appeared in 1831 when Cyrus Hall McCormick invented the Reaper." The map pinpoint...

Date: 1876 

Description: A Withington wire binder sits on display inside a building at the Centennial Exposition, the first official World's Fair in the United States.

Date: 1941-07-31 ca.

Description: Earl C. Smith, president of the Illinois Agricultural Association, speaks into a microphone at an event to honor Mr. Clarence Dauberman for creating the fi...

Photograph

John Muir Clock

Date:  date unknown

Description: Detail of clock design by John Muir.

Photograph

Model of a Windmill

Date:  date unknown

Description: Model of an improved windmill design.

Drawing

A Muir Clock

Date: 1863 ca.

Description: A sketch of a clock design by John Muir.

Historical Essay

Valentine's Callers

The Remarkable History of the Telephone

Learn how Wisconsin resident Richard Valentine's invention would change the world

Photograph

S.S. Morton Tractor

Date: 1899 

Description: Three-quarter left side view of a tractor built by S.S. Morton. The photograph is labeled, "The Predecessor of the International Line."

Date: 1929 

Description: Re-enactors demonstrate a replica of the first reaper built by Cyrus Hall McCormick in 1831. The man raking at the back of the reaper appears to be playing...

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