About time
Subtitle: a first look at time and clocks
By: by Bruce Koscielniak
Publisher: Houghton Mifflin
Published: 2004
Place of publication: Boston
Language: eng
ISBN-13: 9780618396689
Subjects: Time measurements; Juvenile literature; Time
Description: Describes the concept of time and how it has been measured throughout history, using water clocks, sundials, calendars, and atomic vibrations.