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metronome [2]click to hear

Spring-activated pendular instrument whose beats can be synchronized with the tempo of a piece of music while practicing.
metronome [2] sliding weight tempo scale pendulum bar case escapement mechanism fixed weight pivot key

sliding weight click to hear

Adjustable weight that is moved along the pendulum bar to regulate the frequency of the beats.

tempo scale click to hear

Scale calibrated to a number of beats per minute (40 to 208) and used to match the tempo of a given piece of music (adagio, allegro, vivace and so forth).

pendulum bar click to hear

Metal rod that oscillates from one side of an axis to the other to produce a sound signal.

case click to hear

escapement mechanism click to hear

Mechanism that controls the spring release, thereby regulating the oscillations of the pendulum.

fixed weight click to hear

Counterbalance of the pendulum; its back and forth movement triggers a clacking sound.

pivot click to hear

Stem on which the wheels of the spring mechanism turn.

key click to hear

Part that rewinds the mechanism, consisting of a series of wheels.