Timekeeping (Discoveries and Inventions)

By Rodney Dale

Book Overview

As we learn in this book, throughout history ingenious people have been devising ways of recording the passage of time, seeking the power to predict changes in the seasons, changes in the earth's position relative to the sun and moon, or the dates of eclipses.

• Format: Hardcover
• Language: English
• ISBN: 0195209680
• ISBN13: 9780195209686
• Release Date: February 1993
• Publisher: Oxford University Press
• Length: 64 Pages
• Weight: 1.00 lbs.
• Dimensions: 10.0" x 0.5" x 7.8"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12