Lantern slide "Counting Machine"
Title
Lantern slide "Counting Machine"
Subject
Astronomy
Photography
Measuring instrument
Photography
Measuring instrument
Description
Lantern slide of the Observatory's counting machine. This piece of equipment was used by the third director, Robert Baker, to analyze photographic plates of the Milky Way during his research 1938-1951. The lantern slide is part of the Observatory's lantern slide collection and is labeled "PE 24."
Publisher
Astronomy Department, University of Illinois, Urbana, Illinois
Date
circa 1940
Format
still image
Language
English
Coverage
University of Illinois Observatory, Urbana, Illinois
Original Format
lantern slide
Physical Dimensions
3 1/4 x 4 inches
Files
Collection
Citation
“Lantern slide "Counting Machine",” University of Illinois Observatory Collection, accessed April 26, 2024, https://uiobservatory.omeka.net/items/show/45.