SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Amber industry. Early 20th-century artwork of women in a factory sorting and grading pieces of amber. Amber is the fossilised resin of various conifer trees. Most of the world's known deposits of amber are found in and around the Baltic Sea, where it is mined for use as jewellery, but also for industrial and chemical applications. Artwork from the 25th volume (first period of 1900) of the French popular science weekly 'La Science Illustree'.
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