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Timekeeping: Explore the History and Science of Telling Time with 15 Projects (Build It Yourself)
Timekeeping Explore the History and Science of Telling Time with 15 Projects - Build It Yourself
Author: Linda Formichelli, W Eric Martin
Timekeeping: Explore the History and Science of Telling Time travels through the past and into the future to explore how humans have measured the passage of time. From ancient civilization?s earliest calendars and shadow clocks to GPS and the atomic clocks of today, kids will track the evolution of timekeeping devices, meet the inventors of cale...  more »
ISBN-13: 9781619301368
ISBN-10: 1619301369
Publication Date: 10/25/2012
Pages: 128
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Publisher: Nomad Press
Book Type: Hardcover
Members Wishing: 1
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