Steel tube frame, steel wire, painted cardboard, and electric motor

Steel plate, iron and steel spoked wheels, slant line pulleys, rubber V-belt, and electric motor

Steel, steel pipe section, iron wheels, rubber V-belt, flat belt, and electric motor

Structural steel-channel base, steel rod, small tricycle wheel without tire, round rubber belt, and electric motor

Sheet steel base, steel rods, fur pelts, horse hair, and electric motor

Iron rocker bars, wood fly-wheel, steel tube, rubber V-belt, and electric motor

Steel wire, wood base, and electric motor

Steel rods and wire, aluminum pulley, brass bell, round rubber belt, and electric motor

Round rubber belt, steel rods, painted sheet metal, wire wooden pulleys, two clothes pins, and electric motor

Motorized steel hammer, bundled charcoal sticks, pair of women's lace-up boots, and charcoal powder

Laundry cart contents: purple satin bag; clear, white, and black hangers made from alumilite clear cast resin and galvanized steel wire; six pairs of trousers, one shirt, and two neckties made from various fabrics. Laundry bag with nylon cord, alumilite toggles, fabric, and thread, stuffed with fabric. Palette: wood, nails, glue, wood stain, dirt. Cart: wood frame with woven aluminum strips, 1/8-inch ungalvanized steel rod, clear acrylic spray coating, canvas, thread, vinyl, aluminum rivets, dirt, and newspaper ink. Broom: wood handle and housing with bristles. Floor: linoleum backed with canvas.

Shallow wooden box, metal attachments, wooden pulleys, round rubber belt, and electric motor