Ralph Winch working with the control and measuring circuits

Ralph Winch working with the control and measuring circuits for measurement of photoelectric properties of outgassed polycrystalline silver. Room 13, Sterling Hall, University of Wisconsin, Madision, WI., Credit Line: AIP Emilio Segrè Visual Archives
Abstract/Description: Ralph Winch working with the control and measuring circuits for measurement of photoelectric properties of outgassed polycrystalline silver. Room 13, Sterling Hall, University of Wisconsin, Madision, WI.
Subject(s): Profile portraits
Equipment and supplies
Control boards (Electrical engineering)
Winch, Ralph P.
Date Created: circa 1930
Credit Line: AIP Emilio Segrè Visual Archives
Catalog ID: Winch Ralph F3