im not 2 sure it is john bird or jhon hadley
Jhon Hadley
Nobody knows where the sextant was invented... It is possibly invented where a English people live. like probably Great Britain or Europe. --..................................--
He invented the octant which was a precursor to sextant.
atrolabe came first, the astrolabe was invented before the sextant, and the sextant was the model that made the compass
...Is called a sextant, invented 1757.
you can find sextant on history.com
you use a sextant to navigate.
you draw a sextant by looking at googler in the images.
the sextant helped me navagate my way to alaska
as sextant consists a graduated circular arc that is of 60 degree so, arc forms one-sixth of a circle ,hence the name sextant
A Man. the Danish astronomer spent many years computing star positions and is said to have invented or improved the Sextant. We used to think it was a funny quote- Tycho Brahe ( pronounced Bra) invented the Sextant- accents on first sylabbles! He also discovered Tycho"s Star- probably a supernova which was visible Day and Night for over a year!
In general science books back in Bergen School- it was stated he invented or improved the Sextant. This may or may not be true.
1. Isaac Newton never physically invented the sextent. But he was, however, the first man to conceive of the idea... way before John Hadley actually constructed it. 2. Yes that is true, but John Bird and John Campbell and John Hadley and Thomas Godfrey all reinvented the sextant. But, alas it was Isaac who thought of it but never published it..... BUT WHEN did he think of this sextant... That is the question of which we are actually discussing!!!