Attached to the headphones is a United States Army Air Forces and Navy Type A-13 Pressure breathing or demand type Oxygen Mask; green rubber face mask with green rubber oxygen hose; internal microphone with black rubber cord; green cotton straps with button snaps and clips; embossed text "PROPERTY AIR FORCES U.S. Army , MASK OXYGEN, TYPE A-13A Created by Eric Long Date Created 03/10/2011 Source Smithsonian National Air and Space Museum Keywords Aviation; Equipment; Flight Gear; People; World War II Rights and Restrictions Not determined
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