| Summary: | Written on verso; First float and sink machine, Old Mines lab, Univ of Wash, 1920 Filed in: UW - Departments, Mining (#775). In 1905, a new foundry and ore-dressing lab for the School of Mines were erected called "The Mill". It covered an area 40 x 110 feet and was a complete ore dressing plant. The plant was located near the old powerhouse, had three decks and included breakers, a stamp mill, and full sized concentrator tables. The Mill closed as a result of the building of the Alaska-Yukon-Pacific Exposition on campus in 1909. After the Alaska-Yukon-Pacific Exposition of 1909 closed, the brick power house, located near the site of the current Suzzallo Library, was remodeled into offices, classrooms, and laboratory space for mining, metallurgy, ore dressing, and coal washing. This building, renamed Mines Hall, served as the headquarters of the School until the 1920's.
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