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Binaural research experiment, Parmly Foundation for Auditory Research, Illinois Institute of Technology, Chicago, Illinois, ca. 1946-1960

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Year: 1946 to 1960
Contributors
Description Photograph of an Illinois Tech student in an anechoic chamber at the Parmly Sound Laboratory. From press release attached to photograph: "Illinois Tech student, Jack Kiser, takes part in binaural hearing experiment at the Parmly Foundation for Auditory Research. Kiser is listening to two different tones in the completely silent (anechoic) chamber in order to determine their direction.… more
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A-C Network Calculator, inside mechanics, Illinois Institute of Technology, Chicago, Illinois, 1945

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Year: 1945
Contributors
Description Photograph of some of the inner mechanics of Illinois Institute of Technology's A-C Network Calculator. The A-C Calculator, used to test complex power systems in a controlled, miniature environment, was the tenth of its kind in the country. It was cooperatively purchased by Illinois Tech's Electrical Engineering department and a ten Midwest power companies for $80,000 in 1944. more
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W.C. Jacobs and J.M. Brager of Consumer Powers Company with A-C Network Calculator, Illinois Institute of Technology, 1951

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Year: 1951-08
Contributors
Description W.C Jacobs (left) and J. M. Brager (right) of Consumers Power Company, Jackson, Michigan, making adjustments on Illinois Institute of Technology's A-C Network Calculator during a study on the calculator of the Consumers Power system. The A-C Calculator, used to test complex power systems in a controlled, miniature environment, was the tenth of its kind in the country. It was cooperatively… more
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Two Men with A-C Network Calculator, Illinois Institute of Technology, ca. 1951

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Year: 1951
Contributors
Description Photograph of two men (possibly W.C Jacobs and J. M. Brager of Consumers Power Company using Illinois Institute of Technology's A-C Network Calculator. The A-C Calculator, used to test complex power systems in a controlled, miniature environment, was the tenth of its kind in the country. It was cooperatively purchased by Illinois Tech's Electrical Engineering department and a ten… more
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