The 1970s View fullsize CO-INCIDENTS / Photograph / 1979 / 20 x 16 View fullsize untitled (Circuit) / Graphite on paper / 1974 / 23 x 35 View fullsize Look/see / Graphite on paper / 1973 / 18 x 24 View fullsize mutually exclusive / Graphite on paper / 1973 / 18 x 24 View fullsize Pas du tout / Graphite, print, glue on paper / 1974 / 14 x 17 View fullsize ding au sich - prends ton pied / Graphite on paper / 22.5 x 28.5 View fullsize Ding an Sich / Paint, paper on paper / 1974 21.75 x 28 View fullsize Circuit / Graphite, wax on paper / 1976 / 22 x 30 View fullsize ding au sic - plus du tout / Graphite on paper / 23 x 35 View fullsize DIGITAL DELAY AP II / Print on paper / 1974 / 35 x 23.5 View fullsize PLUS ONE / Photograph / 1975 / 20 x 16 View fullsize DIGITAL DELAY (WASH) / Print on paper / 1974 / 17.5 x 16.5