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| 3: What drives the mechanism | |||||||||||||||||||||||||||||
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The mechanism is driven by weights that are housed in two cases, a pair of weights in each. The walls of the cases serve as guides for the moving weights. The weights are raised using a system of pulleys attached to the upper part of the body of the clock and a steel cable that winds onto a metal drum. Turning the handle raises each of the weights in turn inside the weight cases. Strasser placed pulley blocks within the weights themselves. This enabled him to run the steel cable through them and thus increase its length. A greater length of cable increases the time taken for the weight to drop while keeping the height of the clock relatively small and accordingly prolongs the time the mechanical organ can operate. | ||||||||||||||||||||||||||||
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Copyright © 2006 State Hermitage Museum |
