Clarence Hansell

Clarence Hansell with vacuum tube that he invented., Credit Line: Robert and Patricia Sisler, courtesy AIP Emilio Segrè Visual Archives, Hecht Collection
Abstract/Description: Clarence Hansell with vacuum tube that he invented.
Subject(s): Outdoors
Equipment and supplies
Hansell, Clarence Weston
Credit Line: Robert and Patricia Sisler, courtesy AIP Emilio Segrè Visual Archives, Hecht Collection
Catalog ID: Hansell Clarence F1