# How did the chronometer help Captain Cook?

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Proper use of instruments and mathematics for latitude, and proper functioning of Mr Harrison’s mechanical engine for longitude, ensured that he got there. Harrison’s chronometer enabled Cook to complete detailed charts with an accuracy that was previously unknown.

## What did the chronometer allow Captain James Cook allow him to do?

Harrison’s chronometer enabled Cook to complete detailed charts with an accuracy that was previously unknown.

## Why was the chronometer important?

The purpose of a chronometer is to measure accurately the time of a known fixed location. This is particularly important for navigation.

## Did James Cook use chronometer?

Interestingly Captain James Cook on his first voyage did not have a chronometer on board his ship the Endeavour. … After taking the observations Cook had to do long and laborious calculations to establish the ship’s position.

## Why was James Cook important?

James Cook was a naval captain, navigator and explorer who, in 1770, charted New Zealand and the Great Barrier Reef of Australia on his ship HMB Endeavour. … Cook’s voyages helped guide generations of explorers and provided the first accurate map of the Pacific.

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## Why did Captain Cook come to Australia?

Cook named the land he encountered New South Wales in an effort to counter any Dutch interest in what they had long called New Holland. The name Australia was popularised by Matthew Flinders following his circumnavigation of the continent in 1803.

## How did the chronometer help explorers?

By using the chronometer to keep accurate time from a known location – such as where the ship sets sail from – and comparing this with the time of day where the ship was located, accurate positioning became possible. Mainly made of brass the chronometer weighed over 70 pounds.

## What is a chronometer watch used for?

A chronometer is not to be confused with a chronograph – that’s any watch with a stopwatch function for measuring time. A chronometer watch is essentially a fine-tuned watch that keeps better time than most.

## How did the marine chronometer change the world?

The invention of accurate marine chronometers changed the course of seafaring and navigation forever. In the early 18th century, sailors could measure latitude using the sun and stars. … Clockmakers set out to win the prize money by inventing a marine chronometer which could keep accurate time aboard a vessel.

## What type of clock did Captain Cook travel with?

Captain Cook – Cook’s Chronometer.

## What type of clock did Captain Cook travel with when voyaging?

Cook was asked to test the Larcum Kendall K1 chronometer on this voyage. The Board of Longitude had asked Kendall to copy and develop John Harrison’s fourth model of a clock (H4) useful for navigation at sea. The first model finished by Kendall in 1769 was an accurate copy of H4, cost £450, and is known today as K1.

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## Why was the chronometer made?

In the middle part of the eighteenth century, John Harrison (1693-1776) solved the longitude problem by constructing a series of chronometers that kept time more accurately than any previous such devices. Running without lubrication, changing temperatures could not cause grease or oil to thicken or thin.