Clepsydra

(n.) A water clock; a contrivance for measuring time by the graduated flow of a liquid, as of water, through a small aperture. See Illust. in Appendix.

编辑:韦斯利

• The clepsydra became in Greece a useful instrument to enforce the law in restricting loquacious orators and lawyers to reasonable limits in their addresses. 威廉·亨利·杜利特. 世纪发明.
• So far as we at present know there were four forms of time-measuring instruments known to antiquity--the sun-dial, the clepsydra or water clock, the hour-glass, and the graduated candle. 威廉·亨利·杜利特. 世纪发明.
• Perhaps the earliest mechanical time measure was the clepsydra, or water clock. 佚名. 神奇的知识之书.
• And in Rome the sun-dials, the clepsydras and the hour-glass were used for the same purpose, and more generally than in Greece, to regulate the hours of business and pleasure. 威廉·亨利·杜利特. 世纪发明.

录入:玛丽埃塔