File:Einstein Refrigerator pat1781541 clarified.jpg

From Wikipedia, the free encyclopedia

Size of this preview: 527 × 599 pixels. Other resolutions: 211 × 240 pixels | 422 × 480 pixels | 675 × 768 pixels | 901 × 1,024 pixels | 1,956 × 2,224 pixels.

Original file ‎(1,956 × 2,224 pixels, file size: 771 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description	Clarified and annotated version of original Einstein Refrigerator drawing with colors showing phases.
Date	6 October 2012
Source	http://www.google.com/patents?id=t0BRAAAAEBAJ&pg=PA1&source=gbs_selected_pages&cad=2#v=onepage&q&f=false It was personally uploaded and annotated by the poster using licensed software.
Author	Einstein/Szilard with annotations by P. Brandon Malloy

Licensing

The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

Original upload log

The original description page was here. All following user names refer to en.wikipedia.

2012-10-06 05:29 Cosmicforce 1956×2224× (789465 bytes) Uploading a public-domain item using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]]

File history

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

	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:05, 6 October 2012		1,956 × 2,224 (771 KB)	<bdi>Pbmalloy</bdi>	{{Information \|Description=Clarified and annotated version of original Einstein Refrigerator drawing with colors showing phases \|Source=http://www.google.com/patents?id=t0BRAAAAEBAJ&pg=PA1&source=gbs_selected_pages&cad=2#v=onepage&q&f=false \|Date=06 Oc...