File:Wing pleating in Siphlonurus mayflies Edmunds Traver 1954.jpg

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Summary edit

Media data and Non-free use rationale
Description	Wing pleating in Siphlonurus mayflies, according to George Edmunds and Jay Traver, 1954
Author or copyright owner	George Edmunds and Jay Traver
Source (WP:NFCC#4)	Original publication: The flight mechanics and evolution of the wings of Ephemeroptera, with notes on the archetype insect wing Immediate source: https://www.jstor.org/stable/24533330
Date of publication	1954
Use in article (WP:NFCC#7)	Jay Traver
Purpose of use in article (WP:NFCC#8)	To support and illustrate the argument of the cited paper in the article.
Not replaceable with free media because (WP:NFCC#1)	The argument in question is made in the cited paper, so no other illustration would do.
Minimal use (WP:NFCC#3)	Only a small fragment of one plate from the paper is used, and only in this one article.
Respect for commercial opportunities (WP:NFCC#2)	Given the subject matter and the distance in time, it seems extremely unlikely.
Fair useFair use of copyrighted material in the context of Jay Traver//en.wikipedia.org/wiki/File:Wing_pleating_in_Siphlonurus_mayflies_Edmunds_Traver_1954.jpgtrue

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File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:59, 22 June 2023		320 × 312 (14 KB)	Chiswick Chap (talk \| contribs)	resize
	19:43, 21 June 2023	No thumbnail	333 × 330 (14 KB)	Chiswick Chap (talk \| contribs)	Uploading a non-free file using File Upload Wizard

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Jay Traver