Summary

This is a retouched picture , which means that it has been digitally altered from its original version. Modifications: converted to JPEG for sharper appearance, zoomed 400%, and improved contrast. . The original can be viewed here: Telharmonium - Scientific American 1907.png : . Modifications made by Clusternote .

(This page was generated by {{ Derivative work template for subst }} at 20160627135900)

Licensing

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-1923 Public domain in the United States //commons.wikimedia.org/wiki/File:Telharmonium_-_Scientific_American_1907_(zoomed_400%25,_brightened).jpg

Original upload log

This image is a derivative work of the following image(s):

• File:Telharmonium - Scientific American 1907.png licensed with PD-US-1923
  
  • 2016-05-23 03:40 Techn0logist 1500x2143 (1606595 Bytes) {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|The Telharmonium depicted on the front page of Scientific American .}} |Source = '''Original publication''': Scientific American...