Record of Punching Cards at the New York Central for the Month of April 1904

From 1895 inventor Herman Hollerith wooed the New York Central Railroad as a commercial customer for his tabulating machines. This small paper card records his success. It reports that in April 1904, key punch operators at the Central punched a total of 428,502 cards, averaging 258 cards per clerk per hour. The record for one clerk was 70,535 cards punched, averaging 413 cards per hour.
Reference: G. D. Austrian, Hermann Hollerith: Forgotten Pioneer of Information Processing , New York: Columbia University Press, 1982, pp. 111–141.
Currently not on view
Object Name
date made
Physical Description
paper (overall material)
overall: .1 cm x 9 cm x 5.6 cm; 1/32 in x 3 17/32 in x 2 7/32 in
ID Number
accession number
catalog number
Computers & Business Machines
Tabulating Equipment
See more items in
Medicine and Science: Mathematics
Tabulating Equipment
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of the Estate of Herman Hollerith, Jr.

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