24 Facts About Analog clock


The Analog clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month and the year.

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Timekeeping element in every modern Analog clock is a harmonic oscillator, a physical object that vibrates or oscillates at a particular frequency.

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The bowl-shaped outflow is the simplest form of a water Analog clock and is known to have existed in Babylon and in Egypt around the 16th century BC.

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Some water Analog clock designs were developed independently and some knowledge was transferred through the spread of trade.

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Archimedes created his astronomical Analog clock that was a cuckoo Analog clock with birds singing and moving every hour.

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The Gaza clock was probably a Meteoroskopeion, i e a building showing the celestial phenomena and the time.

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In 1283, a large Analog clock was installed at Dunstable Priory in Bedfordshire in southern England; its location above the rood screen suggests that it was not a water Analog clock.

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In 1322, a new Analog clock was installed in Norwich, an expensive replacement for an earlier Analog clock installed in 1273.

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Wallingford's Analog clock had a large astrolabe-type dial, showing the sun, the moon's age, phase, and node, a star map, and possibly the planets.

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Dondi's Analog clock was a seven-sided construction, 1 metre high, with dials showing the time of day, including minutes, the motions of all the known planets, an automatic calendar of fixed and movable feasts, and an eclipse prediction hand rotating once every 18 years.

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The Salisbury Cathedral Analog clock, built in 1386, is considered to be the world's oldest surviving mechanical Analog clock that strikes the hours.

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The earliest existing spring driven Analog clock is the chamber Analog clock given to Phillip the Good, Duke of Burgundy, around 1430, now in the Germanisches Nationalmuseum.

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The first model Analog clock was built in 1657 in the Hague, but it was in England that the idea was taken up.

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The Analog clock had many innovations, including the use of bearings to reduce friction, weighted balances to compensate for the ship's pitch and roll in the sea and the use of two different metals to reduce the problem of expansion from heat.

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The electric Analog clock's mainspring is wound either with an electric motor or with an electromagnet and armature.

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Calibration of the caesium standard atomic Analog clock was carried out by the use of the astronomical time scale ephemeris time .

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Timekeeping element in every modern Analog clock is a harmonic oscillator, a physical object that vibrates or oscillates repetitively at a precisely constant frequency.

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The standard Analog clock face, known universally throughout the world, has a short "hour hand" which indicates the hour on a circular dial of 12 hours, making two revolutions per day, and a longer "minute hand" which indicates the minutes in the current hour on the same dial, which is divided into 60 minutes.

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An Italian 6 hour Analog clock was developed in the 18th century, presumably to save power .

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The "Twelv" Analog clock indicates the current hour using one of twelve colors, and indicates the minute by showing a proportion of a circular disk, similar to a moon phase.

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Digital Analog clock displaying time by controlling valves on the fountain.

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Clocks in public places often have several faces visible from different directions, so that the Analog clock can be read from anywhere in the vicinity; all the faces show the same time.

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In Chinese culture, giving a Analog clock is often taboo, especially to the elderly as the term for this act is a homophone with the term for the act of attending another's funeral .

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An ideal Analog clock would give the time to unlimited accuracy, but this is not realisable.

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