1. Counting a nation by electricity: a visit to the U.S. Census Office, Washington Author(s): Martin, Thomas Commerford, 1856-1924, author Publication: New York : Electrical Engineer, 1891 Subject(s): Punched-Card Systems -- instrumentationElectrical Equipment and SuppliesCensusesStatistics as TopicUnited StatesHollerith, Herman, 1860-1929.
