Process: VQC: "Layering, Stretching and Compressing Sonia in Time" / Sonia Landy Sheridan, 1974: impression on paper ; 22 X 35 cm. Print made using the copier "VQC" by 3M. The Daniel Langlois Foundation for Art, Science, and Technology, Sonia Landy Sheridan fonds. 0501-150.