Anniversary Clocks
Anniversary clocks are named for their ability to run for a year on a single wind. They are also called 400 day clocks, and some run for 1,000 days. Anniversary clock usually have a torsional pendulum suspended from a thin flat wire. To regulate the time, the pendulum weights are brought closer together or spread apart from each other.
Tom Glebas' Clock Collection , Version: 1.00.00
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