William W. Morgan taking the 10,000th spectroheliogram at Yerkes Observatory

William W. Morgan taking the 10,000th spectroheliogram at Yerkes Observatory., Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives
Abstract/Description: William W. Morgan taking the 10,000th spectroheliogram at Yerkes Observatory.
Subject(s): Profile portraits
Equipment and supplies
Observatories
Williams Bay (Wis.)
Morgan, W. W. (William Wilson), 1906-1994
Date Created: October 27, 1938
Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives
Catalog ID: Morgan William F2