Little Ball with Counterweight, 1931 c.

Sheet metal, wire, wood, and paint

63 3/4" x 12 1/2" x 12 1/2"

A00269

Pantograph, 1931

Sheet metal, wood, wire, and paint, with motor

52" high

A00277

Small Feathers, 1931

Wire, wood, lead, and paint

38 1/2" x 32" x 16"

A03086

Two Spheres Within a Sphere, 1931

Wire, wood, and paint

37 1/2" x 32" x 14"

A03087

Object with Red Ball, 1931

Wood, sheet metal, rod, wire, and paint

61 1/4" x 38 1/2" x 12 1/4"

A03741

Untitled (The motorized mobile that Duchamp liked), 1931

Wire and wood, with motor (?)

36" x 36" x 12"

A13718

A Universe, 1934

Iron pipe, wire, wood, string, and paint, with motor

40 1/2" x 31" x 29"

A00276

Mobile / The Circle / Agnes's Ring, 1934

Painted steel rod, steel wire, aluminum sheet, wood, ceramic (electrical insulator), string, plaster filled horn bone and rubber ball (?)

35 7/8" x 31 3/8" x 31 3/8"

A00286

Steel Fish, 1934

Sheet metal, rod, wire, lead, and paint

115" x 137" x 120"

A00505

Black Frame, 1934

Wood, sheet metal, wire, and paint, with motor

37" x 37" x 24"

A02091