The Fourth Wheel

Reference no 224

The Fourth Wheel (224) pinion is driven by the Third Wheel (210). The Fourth Wheel in turn drives the Escape Wheel (230) pinion. The Fourth Wheel makes one revolution per minute and has the second hand attached to its arbor

The Wheel Train starts to the left with the Barrel (182) which drives the Center Wheel (201) pinion. The rotation speed is further increased via the Third Wheel (210) to the Fourth Wheel (224), which makes one revolution per minute and has the second hand attached to its arbor. Finally the Fourth Wheel engages the Escape Wheel (230) pinion.