Water-clock
31Clock-face scheduling — A clock face schedule is a timetable, where public means of transport run in consistent intervals. The number of departures per time is the frequency of the service. Its name comes from the fact that departures are usually the same number of… …
32Water fluoridation — Fluoridation does not affect the appearance, taste or smell of drinking water.[1] Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay. Fluoridated water has flu …
33Water meter — A typical residential water meter A water meter is a device used to measure the volume of water usage. This article provides an overview of technical aspects of water meters. The worldwide prevalence of metering as well as its economic benefits… …
34Water frame — The water frame is the name given to the spinning frame, when water power was used to drive it. Both are credited to Richard Arkwright who patented and exploited the technology in 1762. It was based on an invention by Thomas Highs and the patent… …
35Astronomical clock — An astronomical clock is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the sun, moon, zodiacal constellations, and sometimes major planets. DefinitionThe term is loosely used to… …
36Elephant clock — The elephant clock was a medieval Muslim invention by al Jazari (1136–1206), consisting of a water powered clock in the form of an elephant. The various elements of the clock are in the housing on top of the elephant. They were designed to move… …
37Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …
38Cuckoo clock — Cuckoo clock, a so called Jagdstück (Hunt piece), Black Forest, ca. 1900, Deutsches Uhrenmuseum, Inv. 2006 013 A cuckoo clock is a clock, typically pendulum regulated, that strikes the hours with a sound like a common cuckoo s call and typically… …
3912-hour clock — AM/PM redirects here. For the convenience store chain, see ampm. Clock system 12 hour 24 hour midnight (start of day) 12:00* 00:00 12:59 a.m. 00:59   1:00 a.m. 01:00   2:00 a.m. 02:00 … …
40Malvern water — This article is about natural Malvern spring water. For the bottled product, see Malvern Water (bottled water). St. Ann s Well, Great Malvern, a popular café for walkers on the hills. The building on the right houses the spout from which the… …
