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  • All fields: papers
(1030 results)



Display: 20

    • Dynamometer, 1904

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Dynamometer; Iowa State University;
    • Dynamometer. Agricultural Engineering Department. Dec. 1904.
    • Tractive efficiency tests, 1934

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University;
    • Tractive Efficiency Tests. Effect of wheel diameter and length of lug upon tractive efficiency. By McKibben. Ames, IA. 1934.
    • Avery tractor

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Avery tractor; tractors
    • Avery tractor surrounded by individuals inspecting or studying the machine.
    • Six horse hitch, 1926

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Draft horses; Horses;
    • Six horse hitch. Agricultural Engineering Department Ordered by Lafe Young. 10-23-26.
    • Five horse hitch, 1926

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Draft horses; Horses;
    • Five horse hitch, three behind, two in lead. Agricultural Engineering Department. Ordered by Lafe Young. 10-23-26.
    • 18 horse hitch, 1926

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Draft horses; Horses; Farm Equipment;
    • 18 horse hitch. Agricultural Engineering Department. Ordered by Lafe Young. 10-23-26.
    • Multiple hitch

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Draft horses; Horses;
    • Multiple Hitch. Agricultural Engineering Department.
    • Dynamometer

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Dynamometer; Technical drawing
    • Technical drawing of a dynamometer.
    • 18 horse hitch, 1926

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Horses; Horses; Draft horses;
    • 18 Horse Hitch. Agricultural Engineering Department. Ordered by Lafe Young. 10-23-26.
    • Two gas engines, 1907

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Internal Combustion Engines
    • Two gas engines, one manufactured by Deyo the other by Lennox. Deyo engine pictured as tested. Engines were tested as part of the Hamilton and Reading thesis. Agricultural Engineering Department. Photograph by Gardener. May 11, 1907.
    • Group of tractors, 1920

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Tractors;
    • Group of Tractors. Agricultural Engineering Department, Ordered by Professor Davidson, 4-5-20.
    • Test traction engine and Deere (?) engine gang, 1911

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Tractors; Farm tractors; IHC tractors; International Harvester Company; Deere & Company
    • Image A: Test Traction Engine. I. H. C Tractor 25 H.P. Class D Titan. Image B: Deere (?) Engine Gang. Agricultural Engineering Department. April 1911.
    • Gasoline tractor ploughing, 1911

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Tractors; Plows;
    • Gasoline Tractor ploughing. Agricultural Engineering Section Ordered by Professor Davidson. 4/20/11.
    • Two-propeller windmill,  1925

    • Agricultural and Biosystems Engineering Department; Agricultural Engineering; Iowa State University; Windmills; Wind power
    • Two-propeller windmill. Agricultural Engineering Department. Ordered by Professor Mervine, 8-22-25.

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