The black cylindrical indicator body has four mounting points, two printed diagrams on the side of the body, and a radium-painted range of 300 to 900 degrees Celcius. The reverse has a B-shaped latch hook and a 4-pronged port. World War II Created by Smithsonian National Air and Space Museum Date Created 05/04/2022 Source Smithsonian National Air and Space Museum Keywords Aviation; Instruments Rights and Restrictions Not determined
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