WattsOSV(View-master (model G)1962 · Injection molded plastic4 5/16 × 6 5/8 × 5 7/8" (10.9 × 16.8 × 15 cm)Museum of Modern Art
View-Master (Model G)1959 · Injection molded plastic10 × 13 × 8 cm (3 1/4 × 5 × 3 in.)Art Institute of Chicago