TitleHollerith 1890 Census machine
Dimensionsoverall: 4 in x 6 in
DescriptionColor image of an exhibit of Herman Hollerith's tabulator, ca. late 1880s. Image is of a full scale model of a Hollerith Tabulator designed and built for the Computer Museum by Doctor Robert Guatelli, a model maker in New York. This is a punch-card computing device invented by Herman Hollerith to tabulate the 1890 United States Census. It cut census calculating time from seven to three years. There is also a large picture of Hollerith on the wall behind the tabulator, a smaller picture of the Scientific American cover which featured the tabulator. Also there is
a caption plaque.
|102630714||Hollerith 1890 Census machine|