একটি সঠিক ঘড়ি (বিশেষত গৌণ ব্যবহৃত

Noun:

কালনিরুপক-যন্ত্র,

chronometers's Usage Examples:

spring for regulation, instead of a pendulum, opening the way to marine chronometers and modern pocket watches and wristwatches.

This was the first of a series of chronometers that enabled accurate marine navigation.

unsuccessful, with modifications it later became the standard form in marine chronometers, following the invention of the detent escapement by Pierre Le Roy in.

with two chronometers; take one or three.

" Some vessels carried more than three chronometers – for example, HMS Beagle carried 22 chronometers.

known in the nautical world for manufacturing highly accurate marine chronometers and complicated timepieces used by over fifty of the world's navies from.

clockwork, sundials, hourglasses, clepsydras, timers, time recorders, marine chronometers, and atomic clocks are all examples of instruments used to measure time.

United States Naval Observatory was used to ensure accuracy of railroad chronometers and schedule American rail transport.

COSC average daily rate standard for officially certified COSC quartz chronometers is ±25.

triple modular redundancy, a ship must have at least three chronometers; two chronometers provided dual modular redundancy, allowing a backup if one should.

inventories show that HMS Beagle carried a total of at least 34 recorded chronometers on its three main survey voyages from 1826 to 1843, and 22 on the second.

own telegraph and timeball tower to enable ships to set their marine chronometers.

volumes over time as evidence that the chronometers were not widely used.

However, Landes points out that the chronometers lasted for decades and did not need.

Because of this, chronometers were normally mounted on gimbals, in order to isolate them from the rocking.

famous English watchmaker noted for his highly accurate clocks and marine chronometers.

visual signal, the dropping of a ball, to allow mariners to check the chronometers used for navigation.

accurate clocks (astronomical regulators) which were used to set marine chronometers carried on ships to determine longitude, and as primary time standards.

largest use of elinvar was in balance springs for mechanical watches and chronometers.

marine chronometers were developed to a very high degree of accuracy for use in maritime navigation.

To test the accuracy of such marine chronometers, watchmakers.

chronometers's Meaning':

an accurate clock (especially used in navigation