One of Duchamp's close friends and a member of the New York Dada scene, the American photographer and painter Man Ray (1890-1976) was also one of Duchamp's collaborators. His photograph Dust Breeding (Duchamp's Large Glass with Dust Motes) from 1920 is a document of The Large Glass after it had collected a year's worth of dust while Duchamp was in New York. The photograph was taken with a two-hour-long exposure that beautifully captures the complex texture and diversity of materials that lay atop the glass surface. Dust Breeding marks a pivotal phase in the development of Duchamp's masterpiece. After the photograph was taken, Duchamp wiped The Large Glass almost entirely clean, leaving a section of the cones covered with dust, which he permanently affixed to the glass plate with a diluted cement.
Inscription: Inscribed in ink on the print, recto BLC: "7/10"; BC: "Marcel Duchamp"; BRC: "Man Ray 1920"; inscribed in ink on the print, verso BRC: "Photo Coll. Man Ray 1920"
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at Champion, Stamford, CT. "The Stieglitz Circle," June 25, 1992–August 26, 1992.
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Museu Nacional d'Art de Catalunya, Barcelona. "Duchamp, Man Ray, Picabia," June 25, 2008–September 21, 2008.
Foresta, Merry A. Perpetual Motif: The Art of Man Ray. New York: Smithsonian American Art Museum, 1988. p. 181.