clock
Introduction
clock, instrument for measuring and indicating time. Predecessors of the clock were the sundial, the hourglass, and the clepsydra. See also watch.
Sections in this article:
- Introduction
- The Evolution of Mechanical Clocks
- Some Famous Clocks
- Electric and Other Clocks
- Bibliography
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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