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Please use this identifier to cite or link to this item: http://hdl.handle.net/10117/646

Title: Computer History Museum: hamann_patent
Authors: UNKNOWN (UNKNOWN) (Author)
Hostetler, Brian (bhostetl@vt.edu) (Submitter)
Issue Date: 
Citation: http://purl.org/net/CSHistory/museum/Images/hamann_patent.gif
Abstract: . Hamann's calculating machine patent. Patent no. 1,011,617 granted on Dec. 12, 1911
URI: http://www.citidel.org/handle/10117/646
Appears in Collections:Computer Science Virtual History Museum

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