Scope and Contents This series includes research, publications, and developement on many engineering topics including coal carbonization & coal, smelter descriptions, mining & engineering, conveyors, power plant engineering(photoelectrics, electricity by Kramer, oil from coal or shale, motors & control), substations: transmission & distribution, heat balance, tests & performances, boiler room equipment, mines & mining pamphlet, boiler tests, power, flow meters, hydrotic equipment, plant...

Scope and Contents

This series contains Otto Duke's family papers dating from 1933-1975. Includes bills, correspondence, information about the Salt Lake Home, correspondence in behalf of his son Keith, birthday cards, postcards/memorabilia/souvenirs from Alaska, Arizona, and other places.

Scope and Contents

Maps, diagrams, blueprints, and other engineering materials dealing with various companies, including USS Lead Refinery, Inc, Combined Metals Reduction Company, Kennecott Copper Corp., Utah Power and Light Company, American Zinc, Lead, and Smelting Co., Denver Equipment Co., Climax Molybdenum Co., Great Western Engineers, Inc., Allison Steel Manufacturing Company, American Smelting and Refining Company, Link-Belt Company, M. H. Detrick Co., and others. Dated 1917 to 1973.

Scope and Contents

The series includes papers from Otto Duke's time as both a student and a teacher from 1919 to 1945, mainly at the University of Utah dealing with mechanical engineering, such as notebooks, coursework, school newspapers, and reports on topics such as steam turbines, mechanics, materials, roasters, and others.

Scope and Contents

This series includes papers regarding Otto Duke's involvement with the Church of Jesus Christ of Latter-day Saints, such as talks, projects, Park Stake SLC stake missionary work, 10th Ward papers, pamphlets, booklets, and church news and literature. Also includes some articles and pamphlets about the Reorganized Church of Jesus Christ of Latter-day Saints. The bulk of the material comes from 1930 to 1946 and some from 1920 to 1975.

Scope and Contents

Includes diagrams and materials dealing with projects for the Columbia Steel Company, such as crane lists, engineering personnel list, letters regarding Otto Duke's attempts to get a job there, and other diagrams and blueprints. Includes materials form 1941 to 1944.

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.

Scope and Contents

Otto Duke was secretary-treasurer of the Intermountain Alumni Association of the Theta Tau fraternity. This series deals with that association and includes correspondence, monthly luncheon attendance, "The Gear of Theta Tau," receipts, 40th anniversary meeting planning, "Balfour Blue Book," and minutes of biennial Theta Tau conventions. Dates range from 1955 to 1969.

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.

Scope and Contents

Includes diagrams and materials dealing with projects for the US Naval Supply Depot in Clearfield, UT, such as a dispensary project, marine barracks project, heating studies, correspondence, specifications, concrete tanks, "The Seagull" (three 1945 issues), and more. Dated 1942 to 1945.