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

Age 9-11
Grade 3-4

Janey Levy

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

Library Binding (Powerkids Pr July 1, 2004)
Examines how time has been measured through history, by such methods as observation of natural cycles and different kinds of clocks and watches.
Series
Powermath
ISBN
0823989933 / 9780823989935
Pages
32
Weight
8.8 oz.
Dimensions
7.2 x 0.2 in.

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