EB1911_Conchoid.jpg(350 × 259 pixels, file size: 31 KB, MIME type: image/jpeg)

Description
English: Figure illustrating the generation of a conchoid.
Date published 1911
Source Encyclopædia Britannica (11th ed.), v. 6, 1911, p. 827.
Author Unknown authorUnknown author
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(Reusing this file)
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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Date/TimeThumbnailDimensionsUserComment
current03:36, 18 February 2021Thumbnail for version as of 03:36, 18 February 2021350 × 259 (31 KB)DivermanAUimprove contrast; convert to Black & White
16:02, 2 June 2014Thumbnail for version as of 16:02, 2 June 2014350 × 259 (31 KB)Library Guy{{Information |Description ={{en|1=Figure illustrating the generation of a conchoid.}} |Source =''Encyclopædia Britannica'' (11th ed.), v. 6, 1911, p. 827. |Author =unknown artist |Date =published 1911 |Permission ={{P...

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