The image shows a black and white drawing of a clock with gears and a pendulum, along with a compass and other mechanical instruments.
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The image shows a black and white drawing of a clock with gears and a pendulum, along with a compass and other mechanical instruments. The compass is used to measure the direction of the wind, while the other instruments are used to adjust the angle of the compass. The text accompanying the drawing provides further information about the clock and its components.
