Photograph of Flower Forms, 1919, gelatin silver print, image: 7 1/4 × 5 15/16 in. (18.4 × 15 cm), 2015.3"> Photograph of Flower Forms, 1919, gelatin silver print, image: 7 1/4 × 5 15/16 in. (18.4 × 15 cm), 2015.3"> Photograph of Flower Forms, 1919, gelatin silver print, image: 7 1/4 × 5 15/16 in. (18.4 × 15 cm), 2015.3"> 2015.3 _Charles Sheeler_photograph of Flower Forms_1919_gelatin silver print | Terra Foundation for American Art