University of Illinois Urbana-Champaign

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Showing 241–270 of 33,251 items
Thumbnail for The weathering of coal
The weathering of coal
Parr, Samuel Wilson; Hamilton, Nain Delf

Thumbnail for Power studies in Illinois coal mining
Power studies in Illinois coal mining
Hoskin, Arthur Joseph; Fraser, Thomas

Thumbnail for Investigation of summer cooling in the warm-air heating research residence
Investigation of summer cooling in the warm-air heating research residence
Kratz, Alonzo Plumsted; Fahnestock, Maurice Kendall; Konzo, Seichi

Thumbnail for A Study of a group of typical spinels
A Study of a group of typical spinels
Parmelee, Cullen Warner; Badger, Alfred Earl; Ballam, George A.

Thumbnail for Investigation of warm-air furnaces and heating systems : the research residence, Part IV
Investigation of warm-air furnaces and heating systems : the research residence, Part IV
Willard, Arthur Cutts; Kratz, Alonzo Plumsted; Day, Vincent Stephen