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The Clock

by Trent Duffy

  • ISBN: 9780689828140
  • ISBN10: 0689828144

The Clock

by Trent Duffy

  • List Price: $17.95
  • Binding: Hardcover
  • Publisher: Simon & Schuster
  • Publish date: 05/01/2000
  • ISBN: 9780689828140
  • ISBN10: 0689828144
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Description: Accurate navigation around the world needed something more accurate than sundials, hourglasses, and pendulum clocks. John Harrison designed a clock small and stable enough to work aboard ship. In this century it was discovered that a quartz crystal would vibrate at a fixed rate when electricity passed through it, and the battery-run watch was born. Today's standard of time is set by the vibrations of a cesium atom. Over the years, clocks have progressed from ways to measure the day to telling time to the beat of an atom!
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Seller: Ergodebooks
Location: Richmond, TX Ask seller a question
Condition: Good
Buy with confidence. Excellent Customer Service & Return policy.Ships Fast. 24*7 Customer Service.
Price:
$11.02
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Buy with confidence. Excellent Customer Service & Return policy.Ships Fast. 24*7 Customer Service.
Seller: booklync
Location: Niagara Falls, NY
Condition: New
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3/4" tear on front of dust jacket, 1/8" tear on spine of dust jacket, 1/8" and 1/2" tear on back of dust jack, otherwise excellent condition.
Price:
$22.21
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3/4" tear on front of dust jacket, 1/8" tear on spine of dust jacket, 1/8" and 1/2" tear on back of dust jack, otherwise excellent condition.
Seller: Ergodebooks
Location: Richmond, TX Ask seller a question
Condition: New
Buy with confidence. Excellent Customer Service & Return policy.Ships Fast. 24*7 Customer Service.
Price:
$23.72
Comments:
Buy with confidence. Excellent Customer Service & Return policy.Ships Fast. 24*7 Customer Service.
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