File:EB1911 Conchoid.jpg
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EB1911_Conchoid.jpg (350 × 259 pixels, file size: 31 KB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:36, 18 February 2021 | 350 × 259 (31 KB) | DivermanAU | improve contrast; convert to Black & White | |
16:02, 2 June 2014 | 350 × 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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