The image shows a drawing of a machine with a clock on top of it, which appears to be a pendulum.
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The image shows a drawing of a machine with a clock on top of it, which appears to be a pendulum. The drawing is in black and white, and the clock is depicted in the center of the image. The pendulum is made of metal and has a circular shape with a handle on one side and a spindle on the other. The clock is surrounded by a metal frame and has several buttons and knobs.