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Byrd's South Pole plane being put into the water for first time with pontoons on.

Similar Images from the Collection

Byrd's South Pole plane lands for first time in Boston Harbor with new steel pontoons. They weigh 1300 pounds more than the wheels.
Byrd's South Pole plane being redied for launch off East Boston Airport.
Byrd's South Pole plane being guided into water at East Boston
Byrd's South Pole being lowered into the water for first time after the pontoons were put on.
Byrd's South Pole plane being hoisted into water for launch.
Byrd's South Pole plane being launched off East Boston Airport. Governors Island in back, people.