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This version of a 19th-century harmonograph is part of an investigation into the correlation between space and sound undertaken by Studio Olafur Eliasson. Two lateral pendulums, mounted at right angles to one another, are set in motion, their ends connected by a hinged arm. At the connection point, a pen is affixed. An adjustable weight is secured to each pendulum, thus enabling the speed of the movement to be altered. Mounted on gimbals, a third pendulum, with a small wooden platform at its top, makes a rotary movement. A sheet of paper is attached to the platform; the pen records the resultant rhythms of the circular movements onto this horizontal plane.