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  • All fields: Machinery
(384 results)



Display: 20

    • Deposition of Dr. John V. Atanasoff

    • Atanasoff, John V. (John Vincent) ; Electronic digital computers -- History ; Computers -- United States -- History ; Computers -- United States -- Patents ; Patent suits -- United States
    • Honeywell, Inc. Plaintiff, -vs- Sperry Rand Corporation and Illinois Scientific Developments, Inc., Defendants. U.S. District Court, District of Minnesota Fourth Division. Deposition of Dr. John V. Atanasoff taken by Plaintiff, before Earl G....
    • J.B. Davidson photographs and other materials, trip to China, 1947-1949

    • Agricultural Engineering; Farm mechanization; Agricultural machinery; Iowa State University; Dept. of Agricultural Engineering; International Harvester Company; Irrigation; Travels; Davidson, J. Brownlee (Jay Brownlee), 1880-1957; VEISHEA;...
    • A collection of Jay Brownlee Davidson's photographs taken during an International Harvester sponsored trip to China from 1947-1949 to introduce agricultural engineering to the Chinese. A pamphlet, "Committee on Agricultural Engineering for China",...
    • Agricultural machinery, 1935

    • Farm Equipment; Agriculture; Iowa State University;
    • A driver on a steel-wheeled tractor pulling a plow toward the horizon through an unplowed field. Two automobiles are in the field in the far left distance. Another tractor is in the far right distance. A tree line on the horizon defines the edge of...
    • Agricultural machinery, 1955

    • Farm Equipment; Agriculture; Iowa State University;
    • A front view of an Oliver tractor with a mounted cultivator stradling two rows of corn. The driver, wearing a pith helmet, is closely watching the front wheels of the tractor.
    • Researcher adjusting equipment

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station
    • A researcher adjusts dials on a laboratory apparatus that consists of various pieces of connected metal tubing. There is also a coil of wire immersed in a liquid filled beaker. A log book lies open on a stand to the right of the machinery.
    • J.B. Davidson scrapbook of trip to Russia as member of the American Biro-Bidjan Commission,...

    • historic sites; buggies (carriages); Horses; Railroads; Water-supply; Grain -- Harvesting; Sawmills; Jewish diaspora; Jewish refugees; Jews -- Persecutions -- Soviet Union; Jews -- Persecutions -- Ukraine; Jews -- Russia -- History; Koreans --...
    • A scrapbook containing photographs, notes, maps, propaganda, newspaper clippings, and postcards from J. Brownlee Davidson's trip to the Soviet Union in 1929 and a visit of Russian colleagues to Iowa State University in the summer of 1930. The...
    • Buckeye Traction Ditcher

    • Farm Equipment; Iowa State University; Agricultural engineering; Agricultural machinery; Agricultural and Biosystems Engineering Department;
    • A tile ditching machine used by students in Farm Mechanics Department Iowa State College Agricultural Engineering Department. October 3, 1909.
    • Dynamometer, 1934

    • Farm Equipment; Agriculture; Iowa State University;
    • A tractor driver and Iowa State Professor J.B. Davidson looking at an Iowa integrating and recording traction dynamometer, mounted on the linkage between the tractor and the piece of farm machinery being pulled. The farm tractor has rubber tires....
    • Tractor-mounted six-row culitvator, 1926

    • Farm Equipment; Agriculture; Iowa State University;
    • A tractor-mounted six-row cultivator seen from the front. One man is driving the tractor.One man is also seated on each of the two rear sections of the cultivator, one on each side of the machine. The machinery and the tractor have steel wheels....
    • Tractor-mounted six-row culitvator, 1926

    • Farm Equipment; Agriculture; Iowa State University;
    • A tractor-mounted six-row cultivator seen from the rear. One man is driving the tractor.One man is also seated on each of the two rear sections of the cultivator, one on each side of the machine. The machinery and the tractor have steel wheels....

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