The story of clocks and calendars

Maestro, Betsy

Notes
48 p. : col. ill.
Provides an overview of how we have measured time using calendars and clocks, beginning with prehistoric ''calendar sticks'' and stone structures, and continuing through to today's ultra-precise atomic clocks. Looks at the Julian and Gregorian calendars, as well as the Jewish, Muslim, and traditional Chinese calendars. Discusses how science, history, and societal differences have influenced the calendar. Suggested level: primary, intermediate.
Location edition Bar Code due date
NON-FICTION L04991
Dewey:512
ISBN:0060589450
pub:1999