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Contains 2 Results:

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 miscellaneous engineering papers, 1917-1973

 Series — Multiple Containers
Identifier: MSS 1536 Series 12
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.
Dates: 1917-1973