Counting a nation by electricity: a visit to the U.S. Census Office, Washington Counting a nation by electricity: a visit to the U.S. Census Office, Washington

Collection: Medicine in the Americas, 1610-1920 Author(s): Martin, Thomas Commerford, 1856-1924 author Publication: New York : Electrical Engineer, 1891 Language(s): English Format: Text Subject(s): Punched-Card Systems -- instrumentation Electrical Equipment and Supplies Censuses Statistics as Topic United States Hollerith, Herman, 1860-1929. Copyright: The National Library of Medicine believes this item to be in the public domain. (More information) Extent: pages 522-530 Illustrations: Illustrations and Portraits NLM Unique ID: 101689471 (See catalog record) OCLC no.: 925484965 Permanent Link: http://resource.nlm.nih.gov/101689471