Cylinder with 16 ridges projecting all along length; smaller diameter section on top of cylinder, about 2 in. long, with smaller, smooth cylinder projecting from top of latter, with 0.75 in. dia. hole through same; overall, semi-glassy green Created by Smithsonian National Air and Space Museum Date Created 03/21/2022 Source Smithsonian National Air and Space Museum Keywords Space Rights and Restrictions Not determined
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