Anniversary Clocks, by Wotton, Peter
- ISBN: 9780747807339 | 0747807337
- Cover: Paperback
- Copyright: 7/21/2009
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The mechanical anniversary clock, also known as the 400-day clock, or torsion pendulum clock, is one of the most popular timepieces ever invented. They can be recognised by the decorative weights suspended beneath the dial, which rotate one way and then the other. These regulate a mechanism that, amazingly, needs winding just once a year, hence the clock's name. This book uses diagrams and photographs to explain the intricacies of the mechanism, and shows the various clock cases used to house them, the most enduring and recognisable being the glass dome. It also explains how the dials, hands, and ornamentation have varied steadily over the last century, echoing the fashions of the time, and offers detailed guidance for anniversary clock restoration and repair. Book jacket.