T-shaped glass tubes, with larger diameter tube as the horizontal section of the T; protruding additional tube or arm on top of the T, near the T-section, forming a bulb above the protrusion; steel or other metallic rod inserted for short distance down the vertical tube, from the T section; right horizontal of T, frosted internally and apparently covering another metal rod within; tip of right arm of T, broken off, with sharp point, but the whole, still exhibitable.
Created by
Smithsonian National Air and Space Museum
Source
Smithsonian National Air and Space Museum
Keywords
Engineers; Space
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