ClassicPics (@History_Pics) tweeted at 3:41 AM on Thu, Mar 06, 2014: Passenger seating inside an Imperial Airlines biplane. Note the roof panel sign! 1936.ClassicPics (@History_Pics) tweeted at 3:41 AM on Thu, Mar 06, 2014: Passenger seating inside an Imperial Airlines biplane. Note the roof panel sign! 1936.
ClassicPics (@History_Pics) tweeted at 3:41 AM on Thu, Mar 06, 2014: Passenger seating inside an Imperial Airlines biplane. Note the roof panel sign! 1936.