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First meeting of the Coordinating Committee for a Uniform Plumbing Code, The University of Iowa, May 9, 1949

Conference on Servomechanisms, The University of Iowa, May 21, 1954

"A servomechanism, or servo is an automatic device that uses error-sensing feedback to correct the performance of a mechanism"--Wikipedia, July 14, 2010.

Color Television Conference, The University of Iowa, April 15, 1955

Man welding in Engineering shop, The University of Iowa, 1939

Man working with early television equipment in an electrical engineering laboratory, The University of Iowa, 1933

Man standing in front of an early television camera in an electrical engineering laboratory, The University of Iowa, 1933

Man working with early television equipment in an electrical engineering laboratory, The University of Iowa, 1933

Men studying large fossils, The University of Iowa, 1920s

Lester Benz, George Gallup, and Virgil Hancher holding a check, The University of Iowa, 1950s

Benz was a journalism professor, Gallup a university graduate and founder of the Gallup Poll, and Hancher the president of the University of Iowa from 1940 to 1964.

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