File:EB1911 Wool, Worsted and Woollen Manufactures - Down wool photomicrograph.jpg

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Summary

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English: Down wool fiber photomicrograph.
Date published 1911
Source “Wool, Worsted and Woollen Manufactures,” Encyclopædia Britannica (11th ed.), v. 28, 1911, fig. 5, plate between pp. 808 and 809.
Author Aldred Farrer Barker
Permission
(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
current23:04, 11 March 2021Thumbnail for version as of 23:04, 11 March 2021885 × 877 (219 KB)Library Guy{{Information |Description={{en|Down wool fiber photomicrograph.}} |Source=“Wool, Worsted and Woollen Manufactures,” ''Encyclopædia Britannica'' (11th ed.), v. 28, 1911, fig. 5, plate between pp. 808 and 809. |Date={{Date context|published|1911}} |Author=Aldred Farrer Barker |Permission={{PD-Britannica}} }} Category:Microscopic images of mammal hair fibres

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