whitneymuseum:

Alexander S. C. Rower, the president of Calder Foundation and grandson of Alexander Calder, activated Calder’s Boomerangs in the Whitney’s theater as part of Calder: Hypermobility. To make the noise-mobile, Calder created chains out of large loops of wire and from them hung elements of sheet metal that occasionally strike one another, emanating sounds. This chain-like technique was first used in Calder’s famous Lobster Trap and Fish Tail (1939), commissioned for the principal stairwell of MoMA. 

[© 2017 Calder Foundation, New York / Artists Rights Society (ARS), New York]