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Students working on lab experiments, The University of Iowa, 1930s?

Students working on lab experiments, The University of Iowa, 1930s?

Students working on lab experiments, The University of Iowa, 1930s?

Students working on lab experiments, The University of Iowa, 1930s?

Students working with a microfilm reader, 1988

Students working with a microfilm reader, 1988

Two students are working with a projector microfilm machine.
Students working with a microfilm reader, 1988

Students working with a microfilm reader, 1988

Two students are working with a projector microfilm machine.
Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1930

Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1930

Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1930

Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1930

Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1931

Students working with equipment in an electrical engineering laboratory, The University of Iowa, 1931

Students working with large drill in engineering laboratory, The University of Iowa, 1939

Students working with large drill in engineering laboratory, The University of Iowa, 1939

Students working with large optical equipment and bright light, The University of Iowa, 1950s

Students working with large optical equipment and bright light, The University of Iowa, 1950s

Students working with mechanical devices in basement of Physics Building, The University of Iowa, 1920s

Students working with mechanical devices in basement of Physics Building, The University of Iowa, 1920s