Grandfather's Clock. Dated: c. 1936. Dimensions: overall: 35.5 x 26.2 cm (14 x 10 5/16 in.) Original IAD Object: 94" x 17 3/4" x 9 1/2". See verso of data sheet for dets.. Medium: watercolor, gouache, colored pencil, pen and ink, and graphite on pape