Marcel Duchamp
French, 1887–1968
Rotative Demisphère (Optiques de précision) (Rotary Demisphere [Precision Optics]), 1924
motorized optical device: painted wood demisphere fitted on velvet disk,
copper collar with Plexiglas dome, motor, pulley, and metal stand
148.6 x 64.2 x 60.9 cm (58 1/2 x 25 1/4 x 24 in.)
The Museum of Modern Art, New York. Gift of Mrs. William Sisler and Edward James Fund,1970
Digital Image © 2005 The Museum of Modern Art, New York. © 2005 Marcel Duchamp/Artists Rights Society (ARS), New York/ADAGP, Paris/Succession Marcel Duchamp
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