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Photograph

Farmer and Computer

Date: 01 27 1960
Description: A farmer observes the processed results of the workings of an early computer or data machine. The machine was used to process and to organize data on a her...
Photograph

High Cholesterol Diet

Date: 03 17 1955
Description: Science fair entry using animals to test a high cholesterol diet against a control diet.
Photograph

Atomic Energy

Date: 
Description: Students and teacher in classroom demonstrating an experiment with atomic energy.
Photograph

Chemistry Experiment

Date: 05 25 1951
Description: Chemistry experiment by two men being conducted with steam rising from equipment.
Photograph

Testing Apparatus for McCormick-Deering Combine

Date: 1940
Description: McCormick-Deering #42 combine connected to a testing apparatus at International Harvester's East Moline Works. The factory was constructed in 1933 and was ...
Photograph

Testing Apparatus for McCormick-Deering Combine

Date: 1940
Description: McCormick-Deering #42 combine connected to a testing apparatus at International Harvester's East Moline Works. The factory was constructed in 1933 and was ...
Photograph

Experimental Farmall M Tractor

Date: 12 10 1940
Description: Engineering left side view of a McCormick-Deering Farmall M high clearance (high crop) tractor with cane attachment.
Photograph

Experimental Farmall 3F Tractor

Date: 03 01 1939
Description: Engineering photograph of an experimental Farmall tractor designated as model "3F". Right side view.
Photograph

Experimental Farmall 2-F Tractor

Date: 08 08 1938
Description: Engineering photograph of an experimental Farmall tractor designated as model "2F". Right side view.
Photograph

Experimental Farmall 1-F Tractor

Date: 06 02 1938
Description: Engineering photograph of an experimental Farmall tractor designated as model "1-F". Left side view.
Photograph

Experimental F-22 Tractor

Date: 02 11 1938
Description: Engineering photograph of an experimental Farmall tractor with special fender attachment. The tractor was designated model "F-22". Three-quarter view towar...
Photograph

Experimental Six Wheel Drive Tractor

Date: 12 01 1937
Description: Engineering photograph of an experimental McCormick-Deering six wheel drive tractor with pneumatic tires. Three-quarter view towards front right.
Photograph

Experimental F-22 Tractor

Date: 07 29 1937
Description: Engineering photograph of an experimental Farmall tractor designated as model "F-22". Three-quarter view towards front right.
Photograph

Experimental Six Wheel Drive Tractor

Date: 11 21 1935
Description: Engineering photograph of an experimental McCormick-Deering six wheel drive tractor with a six cylinder engine. Three-quarter view towards front left.
Photograph

Experimental I-12 Tractor

Date: 11 19 1934
Description: Engineering photograph of an experimental McCormick-Deering I-12 tractor with demountable type rear rims. Right side view.
Photograph

Experimental Military Tractor

Date: 1936
Description: Engineering photograph of an experimental McCormick-Deering tractor with wheel covers. The tractor was apparently designed for use by the U.S. military. Th...
Photograph

Experimental Farmall Tractor with Bosch Lighting

Date: 04 11 1928
Description: Engineering photograph of an experimental Farmall tractor with "new Bosch (no battery) lighting system." Right side view.
Photograph

Testing Milking Machines

Date: 11 10 1937
Description: Three male workers testing the "Clean Easy Milker" milking machines at the Ben H. Anderson Mfg. Company, 3220 Atwood Avenue.
Photograph

Wisconsin Dairy & Food Division Laboratory

Date: 06 23 1936
Description: Slightly elevated view of the Wisconsin Department of Agriculture and Markets, Dairy and Food Division chemical laboratory, at 1 West Wilson Street.
Photograph

Teacher and Girls Looking at Chart

Date: 10 12 1935
Description: Teacher and two girls looking at rat growth chart.

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