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  • Thumbnail for Tabulating machine
    Information Processing. Columbia University Press. pp. 41, 178–179. ISBN 0-231-05146-8. Later IBM tabulators provided multiple, small, counters of 2 to 8 positions...
    19 KB (2,239 words) - 16:50, 19 March 2024
  • Thumbnail for Computing-Tabulating-Recording Company
    Giant of Information Processing Columbia University Press NY NY ISBN 0-231-05146-8, p. 138. Brooks, Frederick P.; Iverson, Kenneth E. (1963). Automatic...
    27 KB (2,863 words) - 00:06, 15 April 2024
  • Thumbnail for Punched card sorter
    Information Processing. Columbia University Press. pp. 41, 178–179. ISBN 0-231-05146-8. "IBM Card Sorter". Archived from the original on 2021-04-29. 1901 Hollerith...
    10 KB (1,073 words) - 23:26, 21 January 2024
  • Thumbnail for 1890 United States census
    Information Processing. New York: Columbia University Press. pp. 85–86. ISBN 0-231-05146-8. Dippie, Brian W. (1982). The Vanishing American: White Attitudes and...
    28 KB (1,535 words) - 15:54, 26 April 2024
  • Thumbnail for Herman Hollerith
    of Information Processing. Columbia University Press. p. 418. ISBN 0-231-05146-8. Truesdell, Leon E. (1965). The Development of Punch Card Tabulation...
    22 KB (2,022 words) - 12:17, 25 March 2024
  • Thumbnail for Unit record equipment
    Information Processing. Columbia University Press. pp. 41, 178–179. ISBN 0-231-05146-8. Truesdell, Leon Edgar (1965). The development of punch card tabulation...
    58 KB (6,031 words) - 00:01, 29 March 2024