From Wikimedia Commons, the free media repository
Jump to: navigation, search
Go to page

Original file(2,479 × 3,508 pixels, file size: 62 KB, MIME type: image/vnd.djvu, 2 pages)


English: A proof of the constancy of the velocity of light
Source Proc. Roy. Amst.
Author w:Willem de Sitter


Public domain

The author died in 1934, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or less.

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, 1923.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

File history

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

current11:19, 12 January 2011Thumbnail for version as of 11:19, 12 January 20112,479 × 3,508, 2 pages (62 KB)D.H (talk | contribs)== Summary == {{Information |Description={{en|1=A proof of the constancy of the velocity of light}} |Source=[ Proc. Roy. Amst.] |Author=w:Willem de Sitter |Date=1913 |Perm
  • You cannot overwrite this file.

There are no pages that link to this file.

File usage on other wikis

The following other wikis use this file: