Category Archives: Geography Practicals

History of Astronomy: An Overview

There is little recorded information on early man’s impression of the heavens, some drawings of eclipses, comets, supernovae such as the Pueblo Petrograph. Early man was frightened/overwhelmed by the sky. The earliest recorded astronomical observation is the Nebra sky disk … Continue reading

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Various Uses of Sextant and How it Works

Even today big ships are all required to carry working sextants and the navigating officers have regular routines to keep themselves familiar with making it work. Despite all the Global Positioning Satellites, gyro compasses and radio communications it is at … Continue reading

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History of Sextant

How do navigators use the stars, including our sun, the moon, and planets to find their way? Well, for at least two millennia, navigators have known how to determine their latitude — their position north or south of the equator. … Continue reading

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Surveying : Dumpy Level- Importance and Use

What is Surveying? Knowing about the relative position of various objects, determination of distances between them, measurement of angles, measurement of height, determination of boundaries and relative heights of various points come under the purview of surveying. It is very … Continue reading

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