Keeping Time Through the Ages: The History of Tools Used to Measure Time

by Janey Levy

Book Overview

This trip through history examines how time has been measured, by such methods as observation of natural cycles and different kinds of clocks and watches. Includes illustrations and descriptions of various time keeping devices such as obelisks, sun dials, sand clocks, candle clocks, and incense clocks.

• Format: Library Binding
• Language: English
• ISBN: 0823989933
• ISBN13: 9780823989935
• Release Date: August 2003
• Publisher: PowerKids Press
• Length: 32 Pages
• Weight: 0.60 lbs.
• Dimensions: 0.3" x 7.2" x 8.7"
• Age Range: 9 to 10 years
• Grade Range: Grades 4 to 5