Cooper Hewitt, Smithsonian Design Museum
2 East 91st Street
New York, NY
Furniture that folds, retracts, reclines, changes form, and combines two or more forms through mechanical gadgetry is seen in some 50 examples, supplemented by photographs and drawings. Pieces by Michael Thonet, John Belter, Charles Eames, Josef Hoffmann, and Frank Lloyd Wright are included.