Enclosed clear glass cylindrical vaccum tube with rounded top; metal filaments and other parts inside tube. Short black plastic end closure with six equidistant protruding prongs and two gray steel strips protruding from rim of plastic closure toward top of tube.
Created by
Smithsonian National Air and Space Museum
Date Created
11/18/2021
Source
Smithsonian National Air and Space Museum
Keywords
Engineers; Equipment; Space
Rights and Restrictions
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