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

Age 8-12
Grade 3-7

Janey Levy

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

Paperback (PowerKids Press Jan. 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
0823989178 / 9780823989171
Pages
32
Weight
4.0 oz.
Dimensions
6.9 x 0.2 in.

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