Image: 1292(or earlier) roger bacon - image006
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1292(or_earlier)_roger_bacon_-_image006.jpg (300 × 223 pixels, file size: 14 KB, MIME type: image/jpeg)
Description: Three-tiered camera obscura, 13th century (attributed to Roger Bacon)
Title: 1292(or earlier) roger bacon - image006
Credit: http://www.bonnerweb.de/bilder/pinhole/sonnentaler/sonnentalerdateien/image006.jpg
Author: Roger Bacon?
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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