Ads
related to: sextant for sale
Search results
Results From The WOW.Com Content Network
A sextant is a doubly reflecting navigation instrument that measures the angular distance between two visible objects. The primary use of a sextant is to measure the angle between an astronomical object and the horizon for the purposes of celestial navigation . The estimation of this angle, the altitude, is known as sighting or shooting the ...
From that time onward, the sextant was the instrument that experienced significant development and improvements and was the instrument of choice for naval navigators. The octant continued to be produced well into the 19th century, though it was generally a less accurate and less expensive instrument.
Spencer, Browning & Rust quintant sextant or lattice sextant at the United States Geological Survey Museum. One of the oldest items in the collection of the United States Geological Survey Museum is a quintant sextant or lattice sextant (pictured) that was manufactured by Spencer, Browning & Rust. The sextant dates from the 1820s to 1850s.
Sextant (astronomy) In astronomy, sextants are devices depicting a sixth of a circle, used primarily for measuring the position of stars. There are two types of astronomical sextants, mural instruments and frame-based instruments. They are of significant historical importance, but have been replaced over time by transit telescopes, other ...
Sextant is the eleventh studio album by Herbie Hancock, released in 1973 by Columbia. It is the last album with the Mwandishi-era sextet featuring saxophonist Bennie Maupin , trumpeter Eddie Henderson , trombonist Julian Priester , bassist Buster Williams and drummer Billy Hart .
A stadimeter is an optical device for estimating the range to an object of known height by measuring the angle between the top and bottom of the object as observed at the device. It is similar to a sextant, in that the device is using mirrors to measure an angle between two objects but differs in that one dials in the height of the object.
Ads
related to: sextant for sale