Inline Images: 
President Calvin Coolidge and first lady Grace Coolidge at the christening of the dirigible U.S.S. Los Angeles.
Watson Davis suited up for the solar eclipse expedition.
Crew and scientists for the solar eclipse expedition onboard the dirigible U.S.S. Los Angeles.
Crew and scientists for the solar eclipse expedition onboard the dirigible U.S.S. Los Angeles.
Photographers Alvin K. Peterson and Walter Leroy Richardson.
Astronomers George Henry Peters and Frank Bowers Littell.
Scientists inside the dirigible U.S.S. Los Angeles,.
Astronomers Carl Clarence Kiess and Frank Bowers Littell onboard the dirigible.
Scientists on the solar eclipse expedition onboard the dirigible U.S.S. Los Angeles.
Astronomer George Henry Peters onboard the dirigible.
Astronomer Chester Burleigh Watts with altazimuth camera.
Photographer Walter Leroy Richardson heading into the observation basket of the dirigible.
The dirgible's observation basket, used during the solar eclipse expedition.
Near totality of the solar eclipse.