On Time, A History of Western Timekeeping, Johns Hopkins University Press, Kenneth Mondschein,History of engineering and technology,Technology: general issues, clocks;history;horology;astronomy;Y2K;technology;science,, , United States, en-UShttps://www.press.jhu.educlocks;history;horology;astronomy;Y2K;technology;science, [BLURB],[CITY],,books, ebooks, biblet, Book2look