(American, born 1938)Weatherproof steel, 12′ 3″ × 26′ 6″ × 32′ 6″ (373.4 × 807.7 × 990.6 cm), The Museum of Modern Art, New York. Fractional and promised gift of Leon and Debra Black, 1999Audio courtesy of Acoustiguide
(American, born 1938)Weatherproof steel, four identical conical sections, two sections 13′ 1 1/2″ (400 cm) high × 51′ 9″ (1570 cm) along the chord × 2 1/8″ (5.4 cm) thick; two sections 13′ 1 1/2″ (400 cm) high × 50′ 9″ (1550 cm) along the chor
(American, born 1938)Weatherproof steel, overall: 12′ 9″ × 36′ 5″ × 71′ 9 1/2″ (3.9 × 11.1 × 21.9 m), plate: 2″ (5.1 cm) thick. Los Angeles County Museum of Art. Gift of Eli and Edythe BroadAudio courtesy of Acoustiguide
(American, born 1938)Lead antimony, four plates, each 48 × 48 × 1″ (122 × 122 × 2.5 cm). The Museum of Modern Art, New York. Gift of the Grinstein Family, 1986Audio courtesy of Acoustiguide
(American, born 1938)Lead Plate: 60 × 60 × 1/8″ (152.4 × 152.4 × 0.3 cm), pole: 8′ (2.4 m) long. Whitney Museum of American Art, New York. Gift of the Howard and Jean Lipman Foundation, Inc.Audio courtesy of Acoustiguide
(American, born 1938)Vulcanized rubber and neon tubing, 6′ × 25′ × 20″ (182.9 cm × 7.6 m × 50.8 cm), Solomon R. Guggenheim Museum, New York. Panza CollectionAudio courtesy of Acoustiguide
(American, born 1938)Rubber and fiberglass, four parts, each 36″ × 9′ × 2″ (91.4 × 2.7 m × 5.1 cm). Private Collection, San Francisco, and San Francisco Museum of Modern ArtAudio courtesy of Acoustiguide
(American, born 1938)Vulcanized rubber, 48 1/2 × 18 × 19 3/4″ (123.2 × 45.7 × 50.2 cm), The Museum of Modern Art, New York. Promised gift of Emily Rauh Pulitzer and purchase, 2004Audio courtesy of Acoustiguide
(American, born 1938)Hot-rolled steel, four plates, each 10′ × 20′ × 1″ (304.5 × 609 × 2.6 cm). The Museum of Modern Art, New York. Enid A. Haupt and S. I. Newhouse, Jr. Funds, 1986Audio courtesy of Acoustiguide
(American, born 1938)Weatherproof steel, four slabs, two: 58 1/2 × 58 1/2″ × 9 1/2″ (148.6 × 148.6 × 24.1 cm), two: 58 1/2″ × 16′ 4 1/8″ × 9 1/2″ (148.6 cm × 5 m × 24.1 cm). Museo Nacional Centro de Arte Reina Sofia, MadridAudio courtesy of A