File:Hooker interferometer.jpg

No higher resolution available.

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

Summary

DescriptionHooker interferometer.jpg	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	1922
Source	The New Heavens
Author	George Ellery Hale
Permission (Reusing this file)	Public Domain in U.S.; published before 1923.

Public domain	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, 1930, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:37, 28 September 2006		416 × 306 (41 KB)	RJHall	Twenty-foot interferometer mounted on the Hooker telescope.

The following 3 pages use this file:

The following other wikis use this file:

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

_error	0