File:Gullberg Maths Eratosthenes.jpg

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Summary

Media data and Non-free use rationale
Description	Snippet of Jan Gullberg's Mathematics from the Birth of Numbers showing graphic style and innovative use of margins
Author or copyright owner	Jan Gullberg
Source (WP:NFCC#4)	own scan from book
Date of publication	1997
Use in article (WP:NFCC#7)	Jan Gullberg
Purpose of use in article (WP:NFCC#8)	Gullberg's style and innovative use of page margins for names, dates, and small illustrations.
Not replaceable with free media because (WP:NFCC#1)	n.a.
Not replaceable with textual coverage because (WP:NFCC#1)	A visual layout is exactly the sort of thing that can't be explained in words.
Minimal use (WP:NFCC#3)	This is the only sample of Gullberg's work in the article and indeed on Wikipedia. It is used only here; it is a very small excerpt of a very large book; and it is at extremely poor resolution.
Respect for commercial opportunities (WP:NFCC#2)	n.a.
Fair useFair use of copyrighted material in the context of Jan Gullberg//en.wikipedia.org/wiki/File:Gullberg_Maths_Eratosthenes.jpgtrue

Licensing

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	15:47, 24 November 2020		281 × 340 (39 KB)	Chiswick Chap (talk \| contribs)	Uploading an excerpt from a non-free work using File Upload Wizard

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Jan Gullberg