Boeing Model 40 [Photo ID: 6377]
Boeing 40B-2 [ technical data ]
United Airlines
Registration: NC288
c/n: 899
one of 3 surviving Boeing 40
Museum of Science and Industry, Chicago, IL, USA, 2012-11-09
Photographer: Karsten Palt, flugzeuginfo.net, Germany
upload date: 2013-04-07
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