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Our trusted network of 1stDibs sellers answer common questions

How do I use a sextant?

1 Answer
How do I use a sextant?
To use a sextant, find the horizon inside of the mirror and move the arm until you can also see the object you are attempting to locate. Then, calculate the angle of elevation based on your current elevation above sea level. You'll find a selection of vintage and antique sextants on 1stDibs.
1stDibs ExpertApril 5, 2022
Shop for Brass Sextant on 1stDibs
Superb Large Brass Sextant Ceiling Light from the Captains Cabin
Located in Chillerton, Isle of Wight
Superb large brass sextant ceiling light from the captains cabin A very good quality lamp it has
Category

Early 20th Century Folk Art Chandeliers and Pendants

Materials

Brass

1917 Waymouth Cooke Naval Rangefinder Sextant
Located in San Mateo, CA
sextant range finder. They were patented in 1914. The Mark II like this one came out in 1917. The
Category

Vintage 1910s English Other Nautical Objects

Materials

Aluminum, Brass

Nautical Vernier Sextant, G.W.Butters, London
Located in Norwich, GB
Vernier Nautical Sextant, G.W. Butters, London. A fine curved frame vernier sextant, the
Category

Antique Early 1900s English Nautical Objects

Materials

Brass

A poket sextant signed Stanley, London 1890.
Located in Milan, IT
A travel nautical instrument, sextant, to determine the ship’s position. The cover became the base
Category

Antique Late 19th Century English Scientific Instruments

Materials

Brass

Two Day Marine Chronometer by Whyte, Thompson & Co, Glasgow and South Sheilds
Located in Norwich, GB
marine chromometer by Whyte, Thompson & Co housed in a beautiful three tier mahogany brass bound box with
Category

Antique 1780s English Nautical Objects

Materials

Brass

Couroc Resin Tray with Sailing Ships and Compass
By The Couroc Company
Located in Downingtown, PA
compass and to the top right a bronze sextant. The reverse with a slightly raised circular foot to each
Category

Vintage 1970s American Mid-Century Modern Barware

Materials

Resin

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