Antique Brass Pocket Sextant Navigation Nautical Marine Vintage Wooden Box

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Seller: Top-Rated Seller sj_modern_antiques (10,882) 99.8%, Location: Epsom Downs, Surrey, Ships to: GB, Item: 252575105187 Dimensions: Sextant: 14cm width 14cm long 8cm high Box: 16cm width 16cm long 10cm high The primary use of a sextant is to determine the angle between an astronomical object and the horizon for the purposes of celestial navigation. The determination of this angle, the altitude, is known as sighting (or shooting) the object, or taking a sight. The angle, and the time when it was measured, can be used to calculate a position line on a nautical or aeronautical chart. Common uses of the sextant include sighting the sun at solar noon or Polaris at night (in the Northern Hemisphere) to determine latitude. Sighting the height of a landmark can give a measure of distance off and, held horizontally, a sextant can measure angles between objects for a position on a chart.[1] A sextant can also be used to measure the lunar distance between the moon and another celestial object (such as a star or planet) in order to determine Greenwich Mean Time and hence longitude. PLEASE LOOK IN OUR EBAY SHOP FOR LOTS MORE BEAUTIFUL ITEMS AND SAVE US AS A SELLER Due to any unlikely situation if you wouldn't want to leave a 5 star rating please contact us before leaving feedback.Happy buying Condition: Brand New, sextant: sextant, brass sextant: sextant, Colour: Bronze, Brown, Finish: Antique Dull Brass Finish, Primary Material: Brass, Original/Reproduction: Antique Reproduction, Object Type: Sextants, Time Period, War: WWI, Military Branch: British Royal Navy, Maker: Kelvin & Hughes

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