Robert Kauffmann Works by this Artist The Stroller Date 1956 Medium Casein on masonite Dimensions 26 1/8 x 19 3/4 inches 26 1/2 x 20 1/2 inches framed Credit Gift of Walter A. Weiss Accession Number 77.16.2 Motion Machines Date 1958 Medium Oil on board Credit Gift of Walter A. Weiss Accession Number 77.16.1