The Encyclopedia of Discovery and Invention - Clocks: Chronicling Time

By A.J. Brackin

Human life once revolved exclusively around the changing seasons and the rising and setting sun. The invention of clocks dramatically altered this lifestyle. The advent of accurate, dependable clocks... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1560062088
• ISBN13: 9781560062080
• Release Date: June 1991
• Publisher: Lucent Books
• Length: 96 Pages
• Weight: 1.10 lbs.
• Dimensions: 10.3" x 0.3" x 7.3"
• Age Range: 10 to 13 years
• Grade Range: Grades 5 to 8