De Viquipèdia
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- Description: Electron microscopy of Thermus aquaticus
This image is from the agricultural board of the Canadian government and so is considered public domain. It was first uploaded to English Wikipedia by G3pro.
http://sci.agr.ca/crda/indust/microscope_e.htm
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This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
- 1. it was subject to Crown copyright and was first published more than 50 years ago, or
it was not subject to Crown copyright, and
- 2. it is a photograph that was created prior to January 1, 1949, or
- 3. the creator died more than 50 years ago.
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Please see en:WP:PD#Canadian images: Yousuf Karsh |
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