Panoramic view inside Boeing 307 Stratoliner Clipper Flying Cloud cabin. 

First flown in late 1938, the Boeing 307 could carry 33 passengers in great comfort and cruise at 6,096 meters (20,000 feet), while maintaining a cabin pressure of 2,438 meters (8,000 feet). This enabled the Stratoliner to fly above most bad weather, thereby providing a faster and smoother ride.