Clocks and Watches
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Time
: Clocks and Watches
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Collector Resources
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Promotional Clocks and Watches
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Shopping, Antique Clocks and Watches
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Shopping, New Clocks
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Shopping, New Watches
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See also:
Business: Business Services: Supplies and Equipment: Time Recording and Management
(92)
Computers: Software: Accounting: Time Tracking
(109)
Computers: Software: Human Resources: Time Keeping Systems
(53)
Science: Astronomy: Calendars and Timekeeping
(54)
Biological Clocks Virtual Museum
- This exhibit explores the inputs, outputs, and mechanisms of biological clocks with a primary focus on circadian rhythms.
Cesium Atomic Clocks
- Kinds of cesium clocks, with pictures, plus a description of their operation and the science behind them.
Doug's Atomic Clocks
- Details on Doug Hogarth's experiments with his atomic clock.
How Stuff Works: Atomic Clock
- Concise history, background, definitions and operational information regarding atomic clocks.
How Stuff Works: Pendulum Clock
- Concise description using drawings and animation to show the operation of a pendulum clock.
Smithsonian Institute - On Time
- History of the clock and how Americans have measured time and been affected by it.
Watch Source Guide
- Comprehensive source of information about watches. Includes sections on watch functioning, maintenance, articles and more.
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