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Photograph

Distillation Device

Date: 1950 ca.

Description: A man sets up a cone-shaped instrument designed to distill fresh water from salt water as he leans out of small motor boat on the water.

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: 1863 ca.

Description: A diagram of a table saw, designed and drawn by John Muir.

Date: 1894-12-24 

Description: Diploma of honorable mention presented to Stephen M. Babcock by the Board of Lady Managers of the Columbian Exposition. The document honors Babcock's inven...

Date: 1929 ca.

Description: A production still for the Fox Hearst film "Romance of the Reaper". The film was produced by International Harvester to celebrate the Reaper Centennial. Ca...

Date: 1950-08-05 

Description: Mr. R.G. Reynoldson of 150 Lakewood Boulevard is pictured behind the wheel of his car demonstrating his invention, the "aeromatic speed control." Mr. Reyno...

Date: 1944-11-12 

Description: Emil Andel of the American Bowling Congress demonstrates an automatic foul detector in a bowling alley.

Photograph

Phosphorus Removal

Date: 1950-02-22 

Description: An example of a pilot plant to remove phosphorus from sewage effluent be engineering professors William L. Lea and Gerard A. Rohlich.

Photograph

Steel Guitar Ace

Date:  date unknown

Description: Jack Penewell of Madison, originator of the twelve string Hawaiian guitar (or so his business card says), with another musician tentatively identified as T...

Photograph

Woman Catching Bees

Date:  

Description: A woman demonstrates the use of a homemade bee catcher on a tree in her yard.

Date: 1912 ca.

Description: Dr. A. Rudolph Silverston's vacu-aerial flying machine, as seen from the rear.

Date: 1931-10-19 

Description: Edison kinetascope, patented in 1897, one of the first motion picture projectors invented by Thomas A. Edison. It is hand cranked and chain driven.

Photograph

Tractor Prototype

Date: 1933 

Description: Three-quarter right side rear view of a tractor prototype. On the right front front side of the tractor is a sign that reads: "M'f'd by The Ohio Mfg. Co.,...

Photograph

Trash Disposal

Date: 1949-03-14 

Description: Mrs. Edith Trowbridge, 4202 Mandan Cresent, pulls a ring on a string which opens a trap door to a metal-lined slide to a basement trash box under her sink...

Date:  date unknown

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

Photograph

John Muir Clock

Date:  date unknown

Description: Detail of clock design by John Muir, showing a book resting on a holder in the shape of a gear.

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...

Date: 1946 ca.

Description: Colonel Robert S. Allen, a well-known journalist before World War II, lost his arm while on active duty in Europe. He is seated here with Dr Anton Dvorak,...

Date: 1909 

Description: Wilbur Wright, in the bowler hat, preparing the Flyer for the conclusion of the test required to win a U.S. Army contract. The 1908 demonstration had been...

Historical Object

Limnology Apparatus

Date: 1890 ca.

Description: Apparatus for limnological research conducted at Trout Lake, Wisconsin and elsewhere.

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