File:Cott's diagram illustrating the inherent conspicuousness of an eye-spot.jpg

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Summary

Media data and Non-free use rationale
Description	Hugh Cott's diagram illustrating the inherent conspicuousness of an eye-spot, and hence the survival value of a disruptive eye mask
Author or copyright owner	Hugh Cott
Source (WP:NFCC#4)	Original publication: Adaptive Coloration in Animals Immediate source: own scan from book
Date of publication	1940
Use in article (WP:NFCC#7)	Disruptive eye mask
Purpose of use in article (WP:NFCC#8)	The image shows that Hugh Cott had made a definite discovery and that the effect of an eye urgently needs to be counteracted for camouflage to work.
Not replaceable with free media because (WP:NFCC#1)	The image is unique, from the pioneering 20th century book on camouflage, introducing the disruptive eye mask and supplying its rationale.
Minimal use (WP:NFCC#3)	The image is at poor resolution and is used only here. It is the only non-free file in the article.
Respect for commercial opportunities (WP:NFCC#2)	78 years have elapsed since publication, and the image is already available elsewhere, e.g. in the Thames and Hudson book Camouflage which uses it for the same reason as here
Other information	Book published in USA in 1940 without copyright notice, but also published in the UK at same time.
Fair useFair use of copyrighted material in the context of Disruptive eye mask//en.wikipedia.org/wiki/File:Cott%27s_diagram_illustrating_the_inherent_conspicuousness_of_an_eye-spot.jpgtrue

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:54, 2 February 2018		383 × 260 (50 KB)	Chiswick Chap (talk \| contribs)	Uploading a non-free file using File Upload Wizard

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Disruptive eye mask