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The Didn't Know What Time it Was

William Peirce Randel

出版	American Heritage Publishing Company, Incorporated, 1983
URL	http://books.google.com.hk/books?id=XHoHYAAACAAJ&hl=&source=gbs_api

註釋

On November 18, 1883, the nation finally settled on the method of synchronizing all clocks that we call standard time. Why did it take so long to figure that one out?