The SciencesDecember 1, 1937
Air Transportation, December 1937
Transcontinental Flying Time Cut by More Than 50 Percent, Research and Experience Have Vastly Increased Safety and Comfort, Things to Come
Stories by Bob Johnson
Air Transportation, December 1937
Transcontinental Flying Time Cut by More Than 50 Percent, Research and Experience Have Vastly Increased Safety and Comfort, Things to Come