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The incense clock (simplified Chinese: 香钟; traditional Chinese: 香鐘; pinyin: xiāngzhōng; Wade–Giles: hsiang-chung; lit. 'fragrance clock') is a timekeeping device that originated from China during the Song dynasty (960–1279) and spread to neighboring East Asian countries such as Japan and Korea.
An Egyptian method of determining the time during the night, used from at least 600 BC, was a type of plumb-line called a merkhet. A north–south meridian was created using two merkhets aligned with Polaris, the north pole star. The time was determined by observing particular stars as they crossed the meridian. [24]
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 November 2024. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...
An electric motor (often synchronous, if directly connected to the AC line) turns two sets of wheels continuously via a reduction gear train: the faster at a rate of 1 revolution per hour, the slower at a rate of 1 revolution per 24 hours. The wheels move continuously, not in steps. Mechanism of a split-flap alarm clock, removed from its case.
The water clocks, called pengan (and later fenjan) used were one of the most practical ancient tools for timing the yearly calendar. [ 26 ] [ 27 ] The water clock was the most accurate and commonly used timekeeping device for calculating the amount or the time that a farmer must take water from a qanat or well for irrigation until more accurate ...
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The term idol is an image or representation of a god used as an object of worship, [1] [2] [3] while idolatry is the worship of an "idol" as though it were God. [ 4 ] [ 5 ] [ 6 ] Ancient Near East and Egypt
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