File:Assembling Hooker Polar Axis.jpg
The caption reads:
"Erecting the polar axis of the 100-inch telescope."
Date
Source
The New Heavens
Author
George Ellery Hale
Permission
(Reusing this file)
Public Domain in U.S.; published before 1923.
(Reusing this file)
Licensing
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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