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    • Worburg Aparatus, 1955

    • Chemistry; Laboratory; Equipment; Iowa State University;
    • A female student in a white lab coat using a Worburg apparatus. The Worburg apparatus was widely used in biochemical and biological research for measuring rates of reaction in which gases are involved. The student is noting readings in a lab record...
    • Wagon bed used during sheep shearing, 1904

    • Farm Equipment; Agriculture; Iowa State University;
    • A two horse team hitched to a wagon bed on which has been built an open framing covered with poultry wire, and in which are six sheep and a man shearing one of the sheep. Temporary signs on the wagon are turned except for one, which reads...
    • Two horses in a collection stall

    • Iowa State University; Dept. of Animal Science; Horses; Draft horses; Horses -- Nutrition -- Research; Horses -- Feed utilization efficiency;
    • Two elevated sample collection stalls made from wood planks are shown in this photograph. Pictured in the stall are two male Percheron draft horses side by side, a gray and a black in color, each wearing a waste collection harness. Metal milk and...
    • Two cadettes examining a cone-shaped part on the side of a plane, 1943

    • Curtiss-Wright Engineering Cadettes, 1941-1945; Department of Military Science; Iowa State University; Women in Science and Engineering; World War II
    • A cadettes is touching the top of a small cone-shaped part on the side of a small airplane in the Aeronautics Laboratory. This plane, sans wings, was used for instructional purposes. Another cadette is by her side also looking at the part.
    • Tractor with attached field cultivator, 1955

    • Farm Equipment; Agriculture; Iowa State University;
    • A rubber tired tractor with an attached field cultivator preparing a seedbed for corn. The tractor is stationary without a driver. It is viewed at middle distance from the rear, in the middle of a large field, untilled except for where this...
    • The Problem of a Reasonable Education

    • Welch, Adonijah Strong, 1821-1889; Speeches; Presidents' papers; Iowa State University presidents; Curriculum development; Higher education; Technical education
    • Box 2, Folder 17: A speech given by Welch before the State Association of Principals of Graded Schools in Iowa City on July 27, 1878. He discusses differences between the old and new theories of education and curricula. He asserts that in order...
    • The Ideal Worker, Graduate Address

    • Welch, Adonijah Strong, 1821-1889; Commencements; Commencement, 1878; speeches; Graduation ceremonies; presidents' papers; Iowa State University presidents; Adulthood; higher education
    • Box 2, Folder 2: A commencement speech given by Welch to the Class of 1878. Welch speaks about when students graduate from college, they officially enter adultuhood and take on its responsibilities. He also discusses how education can be used to...
    • Testing milk, 1905

    • Dairying; Iowa State University;
    • This January 10, 1905 photograph of dairy students shows the students in a laboratory setting. The students are examining bottled milk and milk from a milk can. Some are holding milk testing equipment, while a burette and glass funnel can be seen...
    • Students in chemistry laboratory, 1959

    • Chemistry; Laboratory; Iowa State University;
    • The balance room used for quantitative analysis. Contiquous fumehoods line both walls of a long narrow room, down the center aisle of which are arranged chairs at each fume hood work station. Sitting back to back in two rows, students are occupied...
    • Student taking notes on refrigeration experiment, 1957

    • Iowa State University; Agricultural and Biosystems Engineering Dept.; Refrigeration and refrigerated machinery
    • John Hermnson, agricultural engineering senior, takes notes on a refrigeration experiment. Instruments record temperatures and electrical information, which will be used in the engineering report.
    • Student in chemistry laboratory, 1959

    • Chemistry; Laboratory; Iowa State University;
    • A female technician in a white lab coat recording the results of an experiment in organic chemistry. She is monitoring an apparatus used to separate natural products from plant material. The instrument consists of large glass tubes, beakers, and...
    • Stationary cooker, 1937

    • Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes
    • This stationary cooker installed in the Chemical Engineering Building was used to digest cornstalks for board production. The inscription on the cooker reads ""Max pressure 50 lb. per sq. in, 1-2-37."" Machine is part of project 158.
    • Sheep on central campus, 1905

    • Campanile; Sheep; Iowa State University;
    • A flock of sheep on the central campus lawn near the Campanile, which is in the background of the image. A shepherd and his dog are standing with the sheep on the near side of an unpaved road which cuts cross the central campus. The insignia of a...
    • Service Flag, 1919

    • World War I, 1914-1918; War Work; Iowa State University;
    • The Iowa State College Service Flag used in World War I. The numbers 2, 1, 8, 0 are arranged vertically on a white vertical field with a dark perimeter field. The numbers are formed by a double row of stars. At either side of the numerical...

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