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File:Britannica Goniometer Contact.png

Britannica_Goniometer_Contact.png ‎(735 × 495 pixels, file size: 18 KB, MIME type: image/png)

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Description
English: Technical illustration of a contact goniometer.
Date published 1911
Source Encyclopædia Britannica, 11th ed., Vol. 12, p. 234
Author unknown; the instrument is “practically the same in all details as that made for Carangeot”
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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current12:49, 5 August 2009Thumbnail for version as of 12:49, 5 August 2009735 × 495 (18 KB)Bob Burkhardt (talk | contribs){{Information |Description={{en|1=Technical illustration of a contact goniometer.}} |Source=Encyclopædia Britannica, 11th ed., Vol. 12, p. 234 |Author=unknown; the instrument is “practically the same in all details as that made for Carangeot”

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