Hooker_interferometer.jpg
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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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Permission
( Reusing this file ) |
Public Domain in U.S.; published before 1923. |
Licensing
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