Wilson "Snowflake" Bentley

Autor:

NeznámýUnknown author

Shortlink:

https://czwiki.cz/b/3ab38

Zdroj:

Wikimedia Commons

Formát:

3779 x 3216 Pixel (2222716 Bytes)

Popis:

Wilson Bentley photographing snowflakes on his farm in Vermont.

Komentář k Licence:

This work is in the public domain because it was published in the United States between 1928 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

Licence:

Public domain

Credit:

frontispiece to Bentley's 1931 book Snow Crystals (this higher-resolution version, based on the original photograph, was retrieved from one of CNN.com's content delivery servers).

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