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TITLE: Washington D.C. (1939?)--An operator at the US Bureau of the Census pointing out the interior mechanism of the punched card sorter
CALL NUMBER: LOT 1798 [item] [P&P]
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REPRODUCTION NUMBER: LC-USZ62-129751 (b&w film copy neg.)
MEDIUM: 1 photographic print.
CREATED/PUBLISHED: 1939(?)
SUBJECTS:
United States.--Bureau of the Census--People.
Punched card systems--Washington (D.C)--1930-1940.
FORMAT:
Photographic prints 1930-1940.
REPOSITORY: Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
DIGITAL ID: (b&w film copy neg.) cph 3c29751 http://hdl.loc.gov/loc.pnp/cph.3c29751
CONTROL #: 2001700324
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