"C-in-C" copier

[Sonia Sheridan manipulating the 3M Color-in-Color copier at the "Energized Artscience: Patterns of Motion" exhibition, Museum of Science and Industry, Chicago (IL, USA), 1978], 1 photographic print, b & w ; 8 X 10 cm. Photographer unknown. The Daniel Langlois Foundation for Art, Science and Technology, Sonia Landy Sheridan fonds. 0501-1.