Search results
Results from the WOW.Com Content Network
The invention of the verge and foliot escapement in c.1275 [87] was one of the most important inventions in both the history of the clock [88] and the history of technology. [89] It was the first type of regulator in horology. [6] A verge, or vertical shaft, is forced to rotate by a weight-driven crown wheel, but is stopped from rotating freely ...
Time's Pendulum: From Sundials to Atomic Clocks, the Fascinating History of Timekeeping and How Our Discoveries Changed the World (1st ed.). San Diego: Harcourt Trade Publishers. ISBN 978-01560-0-649-1. Bergreen, Laurence (2003). Over the Edge of the World: Magellan's Terrifying Circumnavigation of the Globe. New York: Morrow. ISBN 978-0-06 ...
Below the clock is an inscription from the Vulgate 1 John 2:17: mundus transit et concupiscentia eius ("the world passeth away, and the lust thereof"). The clock is entirely accurate only once every five minutes. [4] The rest of the time, the pendulum may seem to catch or stop, and the lights may lag or, then, race to get ahead. According to ...
The longcase clock (also known as the grandfather clock) was created to house the pendulum and works by the English clockmaker William Clement in 1670 or 1671. It was also at this time that clock cases began to be made of wood and clock faces to use enamel as well as hand-painted ceramics. In 1670, William Clement created the anchor escapement ...
The astrarium made by Giovanni Dondi dall'Orologio showed hour, year calendar, movement of the planets, Sun and Moon. Reconstruction, Museo Nazionale Scienza e Tecnologia Leonardo da Vinci , Milan. Dondi's quaedani apostillae or notes on a letter of Seneca, mentioned in a manuscript of Gasparino Barzizza from 1411, have not been traced.
The Ishiguro Storm Surge Machine is an analogue computer built by Japanese oceanographer Shizuo Ishiguro. Between 1960 and 1983, it was used to model storm surges in the North Sea by the UK National Institute of Oceanography. It is now on display in the Mathematics Gallery of the Science Museum in London.
Salisbury Cathedral clock, restored. The Salisbury Cathedral clock is a large iron-framed tower clock without a dial, in Salisbury Cathedral, England.Thought to date from about 1386, it is a well-preserved example of the earliest type of mechanical clock, called verge and foliot clocks, and is said to be the oldest working clock in the world, [1] although similar claims are made for other clocks.
A model of the water clock. The Borugak Jagyeongnu ("Water Clock of Borugak Pavilion"), classified as a scientific instrument, is the 229th National Treasure of South Korea and was designated by the South Korean government on March 3, 1985. The water clock is currently held and managed by the National Palace Museum of Korea in Seoul.