NOLAPunchCards1938

Autor:

Uncredited WPA photographer

Credit:

Works Progress Administration photo via [1] 23.01 #1

Krótki link:

https://www.plwiki.pl/b/3af0e

źródło:

Wikimedia Commons

Wymiary:

600 x 458 Pixel (35626 Bytes)

Opis:

New Orleans, 1938. New Orleans Hydrographic Office. "WPA white collar workers making punch cards of the hydrographic chart for use eventually in revising pilot charts. A good operator can turn out 1,500 punch cards daily, as compared with some 300 if computed by hand. Both methods are used on the New Orleans project. Interior." The keypunch machines are the IBM Type 016 Electric Duplicating Key Punch introduced in 1929. ^[1]

Licencja:

Public domain

Komentarz do licencji:

This image is a work of a Works Progress Administration employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain (17 U.S.C. §§ 101 and 105).