How To Use Sextant In A Sentence
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Barker was not so constantly chevying him; and Mr. Toley showed a more active interest in him, teaching him the use of the sextant and quadrant, how to take the altitude of the sun, and many other matters important in navigation.
In Clive's Command A Story of the Fight for India
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Advances in the development of these instruments made such calculations easier and more precise, for example: the "course protractor", the "cuadrant", the "octant and the sextant", and the "longitude clock", which was a precision chronometer.
Sailing on and on
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The '' 'astrolabe' '' was a compact round disc used to observe and calculate the position of [[celestial bodies]] before the invention of the [[sextant]].
Conservapedia - Recent changes [en]
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The outfit of Field Instruments contains compasses, transits, and levels of various approved makes; a solar transit, furnished also with stadia wires and gradienter for tachymetric work; hand-levels and clinometers for field topography; plane tables; a sextant; together with an adequate supply of leveling rods, telemeter rods, signal poles, chains, tapes, pins, and so on.
The University of Virginia Record
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The sextant, a navigational tool used to indicate latitude, was lent to the museum by a local maritime historian.
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Selecting five of the hardiest men, he took a single boat on a journey of 800 miles, across a raging sea, with a sextant the only navigation tool, to the island of South Georgia.
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Behind him, he towed a raft outfitted with a coffin-size sleeping compartment and carrying fishing tackle, compass, sextant, and three portable water desalinators.
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The outfit of field instruments contains compasses, transits, and levels of various approved makes; a solar transit, furnished also with stadia wires and gradienter for tachymetric work; hand-levels and clinometers for field topography; plane tables; a sextant; together with an adequate supply of leveling rods, telemeter rods, signal poles, chains, tapes, pins, and so on.
The University of Virginia Record
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A whole generation of Coast Guard officers had learned the use of the sextant from this swarthy, overweight professional.
CLEAR AND PRESENT DANGER
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With only a sextant and a compass, they navigate for 16 days.
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We fitted the trucks with air wheels - balloon tires, we would say now - and kept going, navigating like mariners, by sextant and compass and dead reckoning.
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the limb of the sextant
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The plane's captain added to the error by steering the plane on compass alone, backed up by dead reckoning and astro-fixes from a periscopic sextant.
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His expedition required the development and assemblage of a network of geographic and other technologies, including credit systems, ships, maps, and sextants.
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McKinnon gathered up sextant and chronometer and accompanied them up to the bridge.
SAN ANDREAS
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From a private collection, offerings include several important pairs of globes by Newton, a sextant by Ramsden, an octant by George Jones, equinoctial dials, astrolabes, chronometers, microscopes and nautical antiques.
Useful and Beautiful Devices | clusterflock
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To measure latitude, Frémont had two sextants and a reflecting circle, essentially sophisticated protractors; they were used to measure the angle of the sun or the polestar above the horizon.
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On the deckside, only two were on watch -- you and Trent down in the Captain's cabin there keeping an eye on the sextant and chronometer.
SAN ANDREAS
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Celestial navigation used a sextant built right into the cockpit but if the plane was wallowing at all, it was useless.
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Having begun my navigation career with star shots on sextants and theodolites and sun-compasses during the day, I appreciated the technical brilliance of the GPS (the US Global Positioning System).
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Determining this in the 19th century most commonly involved the use of an optical device known as a sextant to measure the position of a celestial object (such as the sun) at a specific time (usually noon).
March « 2009 « Publius the Geek’s Blog
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The goal of this expedition was to navigate to the North Magnetic Pole by traditional means using a sextant and an astrocompass.
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They carried sextants, barometers, thermometers, artificial horizons, cameras, and fountain pens… butterfly nets, geologists' hammers, and notebooks for all sorts of records.
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McCoy smiled soothingly, but the captain glared about him like a madman, fetched his sextant, and took a chronometer sight.
THE SEED OF McCOY
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Until recently, oceanographers gathered much of their data from solitary vessels that they navigated by means of stars and sextants.
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Having begun my navigation career with star shots on sextants and theodolites and sun-compasses during the day, I appreciated the technical brilliance of the GPS (the US Global Positioning System).
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Working with a sextant for two days, she figured out her bearings and rigged a sail to position herself in currents she hoped would take her to Hawaii.
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Suffering appalling hardships and risking dreadful tortures and death if caught, they walked for thousands of miles recording distances, altitudes and bearings with measured paces and concealed thermometers and sextants.
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The sextant goes with the nautical theme - she's trying to find where she's going, where she's been.
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The name vernier, now commonly applied to a small movable scale attached to a sextant, barometer, or other graduated instrument, was given by Lalande who showed that the previous name nonius, after Peter Nunez, belonged more properly to a different contrivance.
The Catholic Encyclopedia, Volume 15: Tournely-Zwirner
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Kater's pocket compass [Note: A most valuable instrument, combining all the advantages of the circumferentor, without being so liable to be damaged and put out of order by carriage.], with the addition of an excellent sextant, pocket chronometer, and artificial horizon.
Journals of Two Expeditions into the Interior of New South Wales
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He unships the helm; he flings compass and sextant overboard; he fires up the furnaces, and screws down the safety-valve, and says, 'Go ahead!'
Expositions of Holy Scripture Isaiah and Jeremiah
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As they had had time to take with them a sextant chromometer and
The Mysteries of Montreal Being Recollections of a Female Physician
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McKinnon gathered up sextant and chronometer and accompanied them up to the bridge.
SAN ANDREAS
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The instruments provided for the journey consisted of two barometers, two thermometers, two compasses, a sextant, two chronometers, an artificial horizon, and an altazimuth, to throw out the height of distant and inaccessible objects.
Five Weeks in a Balloon
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Most of the scientific instruments were lost: the sextants, the big telescope, the five compasses, the artificial horizons; even the thermometers.
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A sextant is a navigational instrument that measures the altitudes of celestial bodies.
The Season of Risks
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The instruments we carried were two sextants and three artificial horizons -- two glass and one mercury -- a hypsometer for measuring heights, and one aneroid.
The South Pole~ The Start for the Pole
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His other instruments still worked fine - sextants, reflecting circle, artificial horizon, telescope, chronometer, several compasses and probably a couple of thermometers - and he continued recording latitudes and longitudes.
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And it's equally true now, even though satellites have taken over from sextants, the Sun and fixed stars as the navigation aids of choice.
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On the deckside, only two were on watch -- you and Trent down in the Captain's cabin there keeping an eye on the sextant and chronometer.
SAN ANDREAS
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They had sextants, early microscopes, clocks, thermometers, and barometers.
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Later, celestial navigation using sextants and fairly accurate clocks enabled absolute positioning, but the sailors had to refer back to dead reckoning on days with poor weather conditions.
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The sextant is a powerful optical instrument, magnifying everything it sees twenty-eight times, but the price it pays for this magnification is a very narrow field of view, only 1.8 degrees wide corresponding to 0.6 miles on the ground, so that it is almost like looking down a gun barrel.
First Man
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He was sure he was on the right trail, for being no fool he measured by sextant and compass; he was now in New Mexico territory.
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A compass, sextant and charts were the necessary tools for plotting a course.
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On shelves and bookcases around the flat I could see antique spanners, old sextants, shiny brass things, burnished steel telescopes.
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To measure latitude, Frémont had two sextants and a reflecting circle, essentially sophisticated protractors; they were used to measure the angle of the sun or the polestar above the horizon.
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These units incorporated mechanical gyroscopes and while the aircraft were fitted with sextants, it was the INUs that became the primary means of navigation.
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There are many who insist that the paradigms of greed, arrogance and usurpation are the true reference points for our sextants.
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They had sextants, early microscopes, clocks, thermometers, and barometers.
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I had to confess that I was not a navigator, that I had never looked through a sextant in my life, and that I doubted if I could tell a sextant from a nautical almanac.
Chapter 4
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The eleven wooden vessels were powered by the wind and guided by the celestial bodies, thanks to that remarkable scientific instrument, the sextant.
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Until recently, oceanographers gathered much of their data from solitary vessels that they navigated by means of stars and sextants.
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Over the past several thousand years, mankind has found countless innovative ways to master this task, leveraging geographical characteristics, constellation of planets and stars and later also tools such as sextants and compasses.
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He had just invented a new instrument: a prototype sextant with arms nearly six feet in length and a scale graduated to single minutes of arc.
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These units incorporated mechanical gyroscopes and while the aircraft were fitted with sextants, it was the INUs that became the primary means of navigation.
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Aye, maybe you’re a crack hand with sextants and aerology.
LEVIATHAN
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The name vernier, now commonly applied to a small movable scale attached to a sextant, barometer, or other graduated instrument, was given by Lalande who showed that the previous name nonius, after Peter Nunez, belonged more properly to a different contrivance.
The Catholic Encyclopedia, Volume 15: Tournely-Zwirner
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When the fore and back horizons are brought into line, the sextant reading is twice the angle of dip, assuming that the sextant is free from index error.
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When the ten minutes are up, as signified by the ding of an egg timer, a piece of nautical equipment as pedigreed as an astrolabe or a sextant.
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This sextant is precisely calibrated for celestial navigation by a collimator that checks its accuracy at every 15, providing an accuracy of 0’.1 arc minute, 200 yards.
Oldschool Navigationsystem
