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VIII The Technological Age
European Mechanical Clocks 66 Glossary
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accurate American anchor escapement astronomical clock astronomical dial atomic clock automata balance spring balance wheel barrel became bell brass Breguet calendar called Cathedral centre century chronometer clockmakers clocks and watches Company count wheel crown wheel detent escapement Dondi early Earnshaw Earth electric enamelled England English escape wheel factory foliot frame French fusee gearing hand hole Horological Huygens idea impulse indicated industry invented jewels John Harrison known lantern clock later Left lever escapement London longcase clock longitude makers manufacture mechanical clock ment metres minutes moon moved movement Mudge Museum Observatory original oscillator patent pendulum clock pivot plate production quarter quartz quartz clocks Right ring rotated Royal shadow shelf clock shows spring stars stone striking train sundial swing Swiss teeth temporal hours Thomas Tompion timekeeping timepiece tion Tompion toothed tower turned turret clocks verge verge escapement watchmakers water clock weight winding wooden wound