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A sextant, possibly.
Sextant is used to measure the angle between any two visible objects.Its primary use is to determine the angle between a celestial object and the the horizon which is also know as objects altitude.
Theodolite on land, sextant at sea
That is the principle of a sextant.
The sextant.
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
how many years that the sextant become a symbol of navigation
The sextant was developed independently by multiple inventors in the late 18th century, including John Hadley and Thomas Godfrey. It is unclear who specifically should be credited with its invention, as the device was refined over time by various individuals.
Yes Christopher Columbus did use a sextant along with a compass, ampoletta, and a cross staff.
The sextant
The sextant
The term "sextant" comes from the Latin word "sextans," meaning one-sixth. This refers to the instrument's ability to measure angles up to one-sixth of a circle (60 degrees). The sextant is commonly used in navigation to determine the altitude of celestial bodies.
A sextant
my mom