목차 1.Public Clock For signaling and notification Administrative or religious purpose One-way signaling 2.Sundial BC4000 in Egypt, For sunny days 3.Water Clock BC1400 in Egypt, For cloudy or rainy days and nights 4.Hourglass(Sandglass), Fire-Clock, etc 본문 Initial Mechanical Clock (14C) Still, Public Clock, but could show what time it was Non-portable Accuracy Improving (16C~18C) 1. Gravity-swing pendulum 2.Advance in technology Escapement Movement for small clock and watch 3.For navigation A large prize for accurate clock Using chronometer in navigation Propagation of Clock and Watch Carriage clock (cart clock) Pocket watch ↓ Getting smaller Industrial revolution From a luxury, to a necessity ↓ Getting cheaper Time card punching In workplace 키워드 세계화, 시간, 영문, 이해 |
2017년 8월 21일 월요일
세계화의 이해-시간의 세계화(영문)
세계화의 이해-시간의 세계화(영문)
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