File:Ives visual acuity test object.jpg

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Description Illustration in Journal of the Optical Society of America.
Date
Source doi:10.1364/josa.1.000101
Author Herbert E. Ives

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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:Ives_visual_acuity_test_object.jpg

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current16:46, 10 January 2024Thumbnail for version as of 16:46, 10 January 20243,159 × 2,808 (2.31 MB)Racconish (talk | contribs){{Information |Description=Illustration in ''Journal of the Optical Society of America''. |Source=doi:10.1364/josa.1.000101 |Date=1917-07 |Author=Herbert E. Ives |Permission= |other_versions= }}

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