Why are there twelve months in a year? Are there diff erent kinds of time? How does a grandfather clock work? What was a “Nuremberg egg”? Filled with exquisite, detailed illustrations of numerous timekeeping devices from every age, What Time Is It? explains how calendars were invented, how people kept track of time before clocks were used, what time is, and more.
ISBN: 9781989282755ASIN: 198928275X
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What Time Is It?
A.G.Smith
発売日: 4117654 Manitoba Ltée (Éditions des Plaines | Vidacom Publications