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Size of this preview: 800 × 593 pixelsFull resolution (3,443 × 2,552 pixels, file size: 2.28 MB, MIME type: image/jpeg)
Map of Asia with Finnish text from a 1925 encyclopedia, "Pieni Tietosanakirja", now in the public domain. Scanned in 300 dpi by Lars Aronsson, 2005. This map is also available at http://runeberg.org/pieni/1/0017.html (which explains the somewhat cryptic filename).
In order to make the yellowish paper background appear as white, this image was scanned with high contrast. Input R-G-B pixel values between 0 and 50 were converted to 0 (black), values between 150 and 255 were converted to 255 (white), and values between 50 and 150 were linearly converted to the 0 to 255 range. As a side-effect, most of the light-blue ocean has become near white and the colors of the British (pink) and French (purple) empires have become indistinguishable. Hopefully, people will still remember that India was British and Vietnam was French. The same high contrast was used for the map of Europe.
| This image is in the public domain because the Finnish Copyright law of 2005 specifies that all "works of art" become public domain 70 years after the death of the creator, or 70 years after the date of publication if the works are anonymous. (Note: Photographs which are not considered to be works of art become Public Domain 50 years after their creation (§49,a). See {{PD-Finland50}} for details.) |
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To uploader: Please provide where the image was first published and who created it.
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This work is in the public domain in the United States, and those countries with a copyright term of life of the author plus 70 years or less. |
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File history
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| Date/Time | Dimensions | User | Comment |
| current | 02:20, 18 February 2005 | 3,443×2,552 (2.28 MB) | LA2 | |
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