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Atomic Clock
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Clock that records time by vibrating cesium-133 atoms
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Carriage Clock
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A traditional type of mantel, desk or table clock characterized by having a handle on top
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Coiled Main Spring
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A spring that is a metal strip wound into a coil
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Cuckoo Clock
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Traditional Black Forest clock, where a cuckoo bird pops out of the clock and cuckoo's as a mechanism for the clocks chime
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Electric Clock
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A clock that is powered by a battery or mains power
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Escarpment Mechanism
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Mechanical mechanism that is used to divide time (Can consist of pendulum, pitching fork and balance wheel)
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Falling Weights
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Weights attached to gears, that allow the weights to gradually fall, transferring the power through the gears
to the clock mechanism
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GMT
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Greenwich Mean (or Meridian) Time is the mean (average) time that the earth takes to rotate from noon-to-noon
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Grandfather Clock
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A Longcase clock standing greater than 6 1/2 feet tall (6 1/2 - 8 foot typically)
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Grandmother Clock
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A Longcase clock standing about 6 feet tall
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Granddaughter Clock
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A Longcase clock standing about 5 feet tall
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Horology
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The science of measuring time
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Impulse Clock
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A clock powered by electricity that drives a mechanical mechanism
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Mantel Clock
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A traditional clock that was designed to sit on a mantel over a fire place or in an entry foyer
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Master Clock
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A clock that keeps time for more than one clock dial
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Mechanical Clock
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A clock powered by mechanical means. (falling weights, spring, or coiled main spring)
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Quartz Clock
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A clock that measures time with a vibrating quartz crystal
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Radio Controlled
R-Wave
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A Clock that resynchronizes its time to transmitted radio waves from the national institute of standards
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Regulator
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Mechanism to ensure that time splitting is done correctly (a pendulum is an example of a regulator)
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Slave Dial
Slave Clock
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Clock dials that are updated by a master clock
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