Alvan G. Clark and Carl A. R. Lundin sit alongside the heavy cell which contains the 2-element Yerkes observatory 40-inch lenses

L-R: Alvan G. Clark and Carl A. R. Lundin sit alongside the heavy cell which contains the 2-element Yerkes observatory 40-inch lenses, shortly before the objectived was installed in the telescope tube., Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Abstract/Description: L-R: Alvan G. Clark and Carl A. R. Lundin sit alongside the heavy cell which contains the 2-element Yerkes observatory 40-inch lenses, shortly before the objectived was installed in the telescope tube.
Subject(s): Lenses
Telescopes
Equipment and supplies
Observatories
Williams Bay (Wis.)
Yerkes Observatory
Clark, Alvan Graham
Date Created: May 21, 1897
Credit Line: Yerkes Observatory, University of Chicago, courtesy of AIP Emilio Segrè Visual Archives, Yerkes Observatory Collection
Catalog ID: Yerkes Observatory F2