Abstract

Patents, 1896-1943, by various inventors and assignees pertaining to copper mining and copper smelting inventions granted by the United States. Includes specifications and drawings.

Abstract Papers, 1932, about the copper tariff of 1932, a protectionist measure to support the copper producers in the United States. Includes a statement to stockholders of copper mining companies from A. E. Peterman, the attorney for the Calumet and Hecla Consolidated Copper Company, encouraging them to support the tariff and contact their members of Congress. Also includes a brochure, "Some facts about copper and its need for tariff protection," prepared by A. E. Peterman with support from copper...

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Collection, undated, of Cornish American records amassed by June and Richard Ross of Redlands, California.

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Photograph collection, undated, compiled by the Mining Engineering Department at Michigan Technological University in Houghton, Michigan for use in classroom instruction. Includes glass lantern slides, photographic negatives, and photographic prints of Michigan copper and iron mining, as well as mining from other parts of the world.

Abstract Research material, 1726-1978, compiled by Charles K. Hyde on mining history. Includes photocopies and microfilm of articles, journals, and book chapters pertaining to United States copper mining with a particular focus on Lake Superior copper as well as material on the British iron and steel industry. Also includes index cards with citations and research notes pertaining to the Quincy Mining Company, other Michigan copper mining activities, general topics in U.S./international mining, and...

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Collection, 1977-1985, of Percy Ross, a native of Laurium, Michigan and syndicated newspaper columnist and philanthropist reknowned for his goal of giving away his entire fortune. Includes videotapes with interviews by various news organizations, profiles of Percy Ross and coverage of some of his gifts and offers.

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Manuscript, 2004, with the text written by Ernie Fitzsimmons and other material compiled by James Milks. Includes an unpublished manuscript, "Players of the International Hockey League (1904-1907)," with hockey player sheets printed from the Society for International Hockey Research's statistical database. The paper was presented at the Society for International Hockey Research annual meeting in 2004.

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Patents, 1943-1944, issued to John Murray Riddell for improvements to mine shaft sinking apparatus. Includes patent issued by the United States in 1943 as well as a patent issued by the Union of South Africa, a dominion of Great Britain.