Fig. 1From: Odilon Redon’s noir drawings: characterization of materials and methods using noninvasive imaging and spectroscopiesTwo drawings by Odilon Redon in the J. Paul Getty Museum collection. (Left) Apparition (ca. 1880–1890, 52.5 × 37.3 cm, JPGM 2013.38). (Right) Head within an Aureole (ca. 1895–1895, 52.0 × 36.0 cm, JPGM 2016.10)Back to article page