Clocks: Building and Experimenting (Boston Children's Museum Activity Book) - Softcover

Buch 3 von 6: Boston Children's Museum Activity Book

Zubrowski, Bernie

 
9780688069254: Clocks: Building and Experimenting (Boston Children's Museum Activity Book)

Inhaltsangabe

More than sixty experiments designed to explain how and why clocks work are accompanied by detailed instructions to building sixteen different types of clocks, from simple sundials to intricate timepieces

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