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The On-Line Museum and Encyclopedia of Vision Aids.
Recent News Articles: July 2013, Treasures Magazine and Winter 2014, Pitt Magazine |
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The On-Line Museum and Encyclopedia of Vision Aids.
Recent News Articles: July 2013, Treasures Magazine and Winter 2014, Pitt Magazine |
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Move your cursor from left to right over the image and watch the image flip.
From a late 19th century print.
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