Timekeeping Explore The History And Science Of Telling Time With 15 Projects

Name: Timekeeping Explore The History And Science Of Telling Time With 15 Projects
Author: Sam Carbaugh

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MeasurementsTime measurementsJUVENILE NONFICTION / History / Exploration & DiscoveryJUVENILE NONFICTION / Activity BooksJUVENILE NONFICTION / Technology / How Things Work-Are MadeTimeCalendarHistoryJuvenile literatureClocks and watchesJUVENILE NONFICTION / Science & Nature / Experiments & ProjectsTime, juvenile literature