This trip through history examines how time has been measured, by such methods as observation of natural cycles and different kinds of clocks and watches. Includes illustrations and descriptions of various time keeping devices such as obelisks, sun dials, sand clocks, candle clocks, and incense clocks.
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语言 英语 ● 格式 PDF ● 网页 32 ● ISBN 9781435874527 ● 出版者 The Rosen Publishing Group, Inc ● 发布时间 2003 ● 下载 3 时 ● 货币 EUR ● ID 8666852 ● 复制保护 Adobe DRM
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