Photo: John Jerome; Donald Judd, untitled, 1961, Liquitex and sand on plywood, with routed lines, 48 x 96 in; Donald Judd, untitled, 1961 - 1978, woodcut in
ivory black on offset paper, 22 x 30.5 in; Donald Judd, untitled, 1962,
oil and wax on canvas, 69 x 101 3/4 in; Donald Judd, untitled, 1963, Cadmium red light and
black oil on wood with galvanized iron and aluminum, 50 x 42 x 5 1/2, installed on the Fifth Floor of 101 Spring Street, New York.
Sure enough, full strength
oil colors with high absorption, especially lamp and
ivory black, should never be overpainted with pigments of lower
oil content.