It was actually invented by Dietrich Nikolaus Winkel, although Johann Malzel is more famous for patenting and manufacturing this device, which originally relied on a pendulum.
One hundred of these devices were used in the musical composition Poeme Symphonique. One of these devices featuring a black-and-white photograph of a woman's eye is a work of art by Man Ray entitled Object to Be Destroyed. It was actually invented by Dietrich Nikolaus Winkel, although Johann Malzel is more famous for patenting and manufacturing this device, which originally relied on a pendulum. For 10 points, name this device that often makes repeated clicking sounds in order to precisely indicate tempo.
One hundred of these devices were used in the musical composition Poeme Symphonique.
{metronome(s)}