Instrument builder Charles Ridell in the Yerkes Observatory shop, March 6, 1926

Instrument builder Charles Ridell in the Yerkes Observatory shop, March 6, 1926., Credit Line: Photograph by George C. Blasklee, Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Abstract/Description: Instrument builder Charles Ridell in the Yerkes Observatory shop, March 6, 1926.
Subject(s): Equipment and supplies
Observatories
Construction
Williams Bay (Wis.)
Yerkes Observatory
Date Created: March 9, 1926
Credit Line: Photograph by George C. Blasklee, Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Catalog ID: Yerkes Observatory F6