Late 19th century scholar's glasses and mechanical pencil are left lying on a 1724 book

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License: Royalty Free
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Keywords: 1724, 1890, 19th, academic, aid, ancient, antique, authentic, book, break, century, eyeglasses, glasses, historical, history, inventions, knowledge, learning, matter, ophthalmic, pince-nez, printed, reader, scandinavian, science, scientific, studying, sweden, swedish, times, victorian, vision, widsom