University of Illinois Urbana-Champaign

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Showing 8491–8520 of 10,574 items
Thumbnail for Results of tests on sewage treatment
Results of tests on sewage treatment
Babbitt, Harold Eaton; Schlenz, Harry Edward

Thumbnail for Investigation of checkerbrick for carbureters of water-gas machines
Investigation of checkerbrick for carbureters of water-gas machines
Parmelee, Cullen Warner; Westman, Albert Ernest Roberts; Pfeiffer, Wilbur H.

Thumbnail for Glacial tills of Northwestern Illinois
Glacial tills of Northwestern Illinois
Illinois State Geological Survey; Frye, John Chapman