Noun:

கோயில் பணியாள்,

sextan's Usage Examples:

He also invented a reflecting sextant for observing the distance between the moon and the fixed stars, - the same in every essential as the instrument which is still in everyday use at sea under the name of Hadley's quadrant.

This was rapidly developed into the modern marine sextant.

In the case to the side are many instruments including the first sextant, made by John Bird in about 1757.

We have a sextant which I used to use every week for practice.

AS, the Roman unit of weight and measure, divided into 12 unciae (whence both "ounce" and "inch"); its fractions being deunx i 2, dextans, dodrans 4 i bes 3, septunx T7-2-, semis z, quincunx A, triens 3 i quadrans 4, sextans s, sescuncia ", uncia r i g.

Measure the altitude of Polaris above the northern horizon, using the sextant.

, 1804), and numerous papers on geographical subjects, particularly on the geographical positions of many towns and places, which he determined on his travels with a sextant.

No further practical advance appears to have been made in the design or construction of the instrument till the year 1723, when John Hadley (best known as the inventor of the sextant) presented to the Royal Society a reflecting telescope of the Newtonian construction, with a metallic speculum of 6-in.

sextant observation that the navigator decides that he has witnessed the passing of maximum altitude (i.

It is only after several minutes of sextant observation that the navigator decides that he has witnessed the passing of maximum altitude (i.