Two examples of approximately 270 photographic plates and films taken with the 12-inch refractor and the plate camera. Most of the photographs date to the late 1950s and early 1960s.
Astronomy Department, University of Illinois, Urbana, Illinois
Copyright Michael Svec
still images of physical artifact
University of Illinois Observatory, Urbana, Illinois
“Glass plates,” University of Illinois Observatory Collection, accessed March 19, 2018, http://uiobservatory.omeka.net/items/show/51.