June 11, 2012
Occupations related to mathematics, WPA poster, ca. 1938 by trialsanderrors on Flickr.

Occupations related to mathematics, WPA poster, ca. 1938 by trialsanderrors on Flickr.

1:28am  |   URL: https://tmblr.co/ZkL4xxN8Wdiq
(Notes: 5)
  
Filed under: libraryofcongress wpaposters poster mathematics calculating machine operator teacher actuary statistician accounting auditor bookkeeper blancheanish wpa 
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