The video that I am sharing, in two parts, is from the archives of the San Diego Air and Space Museum (SDASM). This is a silent movie, however, you might want to mute the sound to avoid a distracting humming sound. You won't miss anything.
Direct link to part 1 of video from SDASM Archives on Youtube
Direct link to part 2 of video From SDASM Archives on Youtube
From the Smithsonian National Postal Museum: Airmail in America: 1918 to 1926
- Airmail in America: Transcontinental Flights
- Airmail in America: the Airplanes
- Airmail in America: Some Early Pilots