Library of Congress

• Catalog: https://lccn.loc.gov/00651163
• Image download: https://cdn.loc.gov/service/pnp/cph/3g00000/3g08000/3g08000/3g08086v.jpg
• Original url: https://www.loc.gov/pictures/item/00651163/

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• Optical illusion disc which is spun displaying the illusion of motion of a couple on a seesaw in a circle at the center of the disc and a man with an ax attempting to chop a lizard in a circle at the outer edge of the disc.
• Published in: McLean's optical illusions; or magic panorama. London, T. McLean, 1833.
• Exhibited: American Treasures of the Library of Congress.