Northwest Airlines Douglas & Auto Truck RP

Printed on back "The big Douglas twenty-one passenger luxury airlines operated by Northwest Airlines are capable of carrying two and three-quarters tons of cargo and passengers at a speed of 225 miles an hour. These giant airplanes are operated from Chicago and Twin Cities to Seattle and Portland Daily." Transportation, automobile, gasoline automat, real photo, Illinois, Washington, Oregon.
[Real Photo (RPPC)/Transportation]
[Transportation/Aviation: Commercial/USA]