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 illustrationsof numerous timekeeping devices fromevery age, What Time Is It? explains howcalendars were invented, how peoplekept track of time before clocks wereused, what time is, and more.
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语言 英语 ● 格式 PDF ● 网页 97 ● ISBN 9781989282755 ● 出版者 Editions des Plaines ● 发布时间 2023 ● 下载 3 时 ● 货币 EUR ● ID 9063288 ● 复制保护 Adobe DRM
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