File:Grassmann color circle 1853.png

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    Summary

    Description
    English: Hermann Grassman's color circle illustration of Grassman's law of color combination
    Date
    Source Hermann Günther Grassmann (1809-1877)
    Author Hermann Grassmann, Gert Schubring

    Licensing

    Public domain

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     Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
    This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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    data size

    18,214 byte

    height

    328 pixel

    width

    325 pixel

    media type

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    checksum

    ca0942828e887dd1d7300ee3bc9a9c9720292805

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    Date/TimeThumbnailDimensionsUserComment
    current20:02, 20 June 2009Thumbnail for version as of 20:02, 20 June 2009325 × 328 (18 KB)wikimediacommons>Dicklyon{{Information |Description={{en|1=Hermann Grassman's color circle illustration of Grassman's law of color combination}} |Source=[http://books.google.com/books?id=PUifpzKWhLkC&printsec=frontcover&dq=grassman%27s+second+law+color+linear&as_brr=3&ei=HQg9

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