Boeing 81B with Wright J-6-5 installed
SDASM Archives -  (image flipped on Flickr - note tail markings)
2010-05-07 10:14:18
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/sdasmarchives/4590281778/">https://www.flickr.com/photos/sdasmarchives/4590281778/</a>