Congreve

Congreve's Rolling Ball Clock is a clock that uses a ball rolling along a zig-zag track to regulate time. It was invented by Sir William Congreve in 1808.
 
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Congreve 1808 table clock brass with glass case
000050004014
Congreve 1808 table clock brass with glass case
€3,600.00 €3,060.00
Congreve's Rolling Ball Clock is a clock that uses a ball rolling along a zig-zag track to regulate time. It was invented by Sir William Congreve in 1808.