The first book of time.
Series: First books
Publisher: F. Watts
Published: 1963
Place of publication: New York
Language: eng
Number of pages: 70
Subjects: Time -- Juvenile literature.; Time.; Clocks and watches.
Description: An introduction to time and its measurement, describing the solar year and the calendar year, spring and autumn equinoxes, calendars in history, chronometers, atomic clocks, the earth as a geologic clock, and plant and animal clocks.