The Optical Viewer, c. 1794. Fréderic Cazenave (French), after Louis Léopold Boilly (French, 1761-1845). Etching and engraving; sheet: 72 x cm (28 3/8 x 21 1/4 in.); platemark: x cm (26 9/16 x 21 in.).
Size: 2554px × 3400px
Photo credit: © CMA/BOT / Alamy / Afripics
License: Licensed
Model Released: No
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