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Punch Card, Preliminary Card Unemployment 1930

Punch Card, Preliminary Card Unemployment 1930

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Description
This brown paper twenty-four column card is divided into seventeen fields for such categories as city, schedule, line, reason, sex, age, and occupation. It is a preliminary version of a punch card developed by the Bureau of the Census for a 1930 Census of Unemployment.
Reference:
Leon E. Truesdall, The Development of Punch Card Tabulation in the Bureau of the Census 1890-1949, Washington: Bureau of the Census, 1965, pp. 180-186.
Location
Currently not on view
Object Name
punch card
date made
1930
maker
IBM
Physical Description
paper (overall material)
Measurements
overall: 17 cm x 8.2 cm; 6 11/16 in x 3 7/32 in
ID Number
1988.3098.02
catalog number
1988.3098.02
nonaccession number
1988.3098
Credit Line
Transfer from Bureau of the Census
subject
Mathematics
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Punch Cards
Data Source
National Museum of American History
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