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  • All fields: 24.3 x 19.7 cm
(9 results)



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    • Two workers filling a temporary silo

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
    • Two workers are filling a temporary silo. One man is using a pitchfork, while the other maneuvers a silage unloader in order to fill the silo evenly. A tractor and car are near the silo. In the background cattle graze near the farm's...
    • Temporary silo filled with grass ensilage

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
    • A temporary circular silo is filled with grass ensilage. There is a barn and trees in the background. Near the silo is a tall wooden pole with a pulley near the top.
    • Spreading ensilage in pit silo

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
    • Using a pitchfork, a worker spreads ensilage from a large wooden wheeled cart onto a pit silo. Other farm machinery, fences and buildings are in the background.
    • Dusting corn

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Corn
    • A monoplane, flying low over a field of corn, is spreading powered pesticide. The plane's wheels are almost touching the tops of the plants. A row of trees is in the background.
    • Corn picker 227

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Corn
    • An individual drives a 227 corn picker along the edge of a corn field. The harvested corn is being placed into a wheeled hopper.
    • 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.
    • Chemistry laboratory , 1948

    • Chemistry; Laboratory; Iowa State University;
    • A chemistry laboratory session. Twelve young men and women are working at their individual work stations. A row of fume hoods is against the back wall between large windows. Common laboratory apparatus can be seen throughout the laboratory.
    • McCormick-Deering harvester pulled by tractor

    • Iowa State University; Iowa Agriculture and Home Economics Experiment Station
    • Four workers are harvesting a field using a McCormick Deering harvester which is being pulled by a tractor. One worker is driving the tractor while another uses a pitchfork to direct material from the harvester. Two seated men are riding on the...

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