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Contains 4 Results:

Otto Duke personal papers, 1920-1975

 Series — Multiple Containers
Identifier: MSS 1536 Series 3
Scope and Contents This series contains the personal materials of Otto Duke, including personal research and reading, political papers and diagrams, personal photos, sheets from a pocket notebook, invitations, business cards, name tags, travel information, newspapers (Utah, Alaska, Oklahoma), pamphlets, and miscellaneous other materials. They are dated from 1920 to 1975.
Dates: 1920-1975

Otto Duke papers on the F. C. Torkelson Company, 1946-1975

 Series — Multiple Containers
Identifier: MSS 1536 Series 8
Scope and Contents Includes diagrams and materials dealing with projects for the F. C. Torkelson Co., such as expense records, operating costs, Bailey Meter Co., limestone crushing plant, electric mine hoists, Kennecott Mill reports, Ferron Canyon Coal job, Hayden Smelter (Arizona), Smelter emissions control, and more from 1946-1975.
Dates: 1946-1975

Otto Duke papers on the United States Smelting, Refining, and Mining Company, 1924-1958

 Series — Multiple Containers
Identifier: MSS 1536 Series 7
Scope and Contents Includes diagrams and materials dealing with projects for the United states Smelting, Refining and Mining Company from 1924 to 1958, especially those in Alaska, Chicago, Torrence, CA, and Midvale, UT. Some of these projects include asphalt, turbine generators, tail sluice, dredge data, conveyors, a lead refinery, a zinc plant, and a crushing plant.
Dates: 1924-1958

Otto Duke papers on the Utah Construction-Stearns Roger Joint Venture, 1941-1975, bulk 1954-1955

 Series — Multiple Containers
Identifier: MSS 1536 Series 9
Scope and Contents Includes diagrams and materials dealing with projects for the Utah Construction-Stearns Roger Joint Venture, specifically the San Manuel Copper Smelter in Tucson, AZ from 1953-1956. Materials include M. H. Treadwell Co. quotes for copper converters, Industrial Physics and Electronics Co. weighing systems description, concentrator, Allis Chalmers proposal for copper converters, Traylor Engineering & Manufacturing proposal for copper converters, notes and drawings regarding reverb furnace,...
Dates: 1941-1975, bulk 1954-1955