File:EB1911 Telescope - Fig. 21.png

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Summary

Description
English: EB1911 Telescope - Fig. 21
Date
Source 1911 Encyclopædia Britannica, vol. 26 pp.569–570, Telescope article
Author AnonymousUnknown author

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:EB1911_Telescope_-_Fig._21.png

Captions

Telescope used in four different ways

Items portrayed in this file

depicts

1 January 1911Gregorian

image/png

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Date/TimeThumbnailDimensionsUserComment
current17:43, 31 May 2023Thumbnail for version as of 17:43, 31 May 2023536 × 742 (137 KB)DivermanAUimprove contrast, crop a little
07:38, 3 January 2018Thumbnail for version as of 07:38, 3 January 2018540 × 742 (177 KB)DivermanAUUser created page with UploadWizard

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