Examines how time has been measured through history, by such methods as observation of natural cycles and different kinds of clocks and watches.
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Book Description Powerkids Pr, 2004. Library Binding. Book Condition: Brand New. 32 pages. 8.50x7.25x0.25 inches. In Stock. Bookseller Inventory # zk0823989933
Book Description Powerkids Pr, 2004. Library Binding. Book Condition: New. Ships with Tracking Number! INTERNATIONAL WORLDWIDE Shipping available. Buy with confidence, excellent customer service!. Bookseller Inventory # 0823989933n