телур

телур

A mechanically operated model showing the revolution of the Earth around the sun, and of the moon around the Earth. An early example by Thomas Tompion and George Graham c. 1705 immediately preceded the famous orrery by John Rowley, which was itself a tellurium, the wood 'orrery' being now generally applied to later instruments showing the motions of the planets.

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Vārdšķira: noun
Sinonīms(-i):
Blossary:
Nozare/domēns: Chronometry
Category: Clock
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механизми за мерење времена

Chronometry; Clock

All time measurements, whether by differential or integrative methods, originally required the attention of a watchman. The need for such attention only ceased when, besides ...

мерење времена

Chronometry; Clock

The presumed-unvarying flow of time is measurable differentially by observing a constant-rate process such as the movement of the sun's shadow on an equatorial sundial, or ...

тридесето-часовни сат

Chronometry; Clock

A clock which requires to be wound daily, with a margin of generally something over six hours to allow for a delay in rewinding. In particular, the name is associated with ...

земаљска кугла

Chronometry; Clock

A representation on a small scale of the main features of the Earth's surface, either purely geographical, showing continents, seas, islands, etc. , or political, showing national ...

стони сат

Chronometry; Clock

The earliest domestic clock was the hanging iron Gothic clock, but the application of the mainspring led to its being redesigned to make it portable. The earliest spring clock ...

синхрони мотор

Chronometry; Clock

The number of revolutions per minute of the driving motor of an electric clock driven from the public electricity supply is directly related to the frequency of the supply. A ...