Crank Driven Mobile , by alexander calder , 1932 , sculpture, mobile , Kinetic Art, Expressionism style , from SHIFT TO ABSTRACTION: 1930–1936 period
A black and white photo of an electric contraption.
A black and white image of an electric contraption.  The contraption consists of a square metal frame.  There is a black circle at the top of the frame and a black wire coming out of the center.  It is connected to a white base.  On the base there are two black wires.  Another wire is coming out from the base and coming from the top.  Two black wires are connected to the base.