TIME AND ITS MEASUREMENT by Harrison J. Cowan

TIME AND ITS MEASUREMENT

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KIRKUS REVIEW

This is a highly condensed survey of timekeeping beginning in 3000 B.C. with the Sumerians who devised a calendar and had a week of seven days to the timing devices of today which control the rocketry of the earth satellites. Chapters include: Evolution of the Calendar, the Nature of Time, the Birth of the Timepiece and the development of the wrist watch along with the complexities of Electricity and Time. Appendixes contain: How To Make a Sundial, Time and Frequency Broadcasts, Planetariums in the U.S.

Pub Date: Aug. 26th, 1958
Publisher: World