The first book of time (1963)

The first book of time (1963)

Jeanne Bendick

Year: 1963
Authors: Jeanne Bendick
Print type: BOOK

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.