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File:Hooker interferometer.jpg

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Hooker_interferometer.jpg (416 × 306 pixels, file size: 41 KB, MIME type: image/jpeg)

Summary

Description The caption reads: "Twenty-foot Michelson interferometer for measuring star diameters, attached to upper end of the skeleton tube of the 100-inch Hooker telescope. This instrument is now on display at the Rose Center of the American Museum of Natural History in New York" See [1].
Date
Source The New Heavens
Author George Ellery Hale
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Public Domain in U.S.; published before 1923.

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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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Date/TimeThumbnailDimensionsUserComment
current22:37, 28 September 2006Thumbnail for version as of 22:37, 28 September 2006416 × 306 (41 KB)RJHallTwenty-foot interferometer mounted on the Hooker telescope.

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