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Signed Norie and Wilson London Sextant - Rare Ladder Type Circa 1850s
$ 303.59
- Description
- Size Guide
Description
Signed Norie and Wilson London Sextant - Rare ladder type circa 1850s.The arc is inscribed Norie & Wilson, London and reads 0 to 150 each ten degrees.
Arc reads - 0 to -150
Length of index arm 9 1/4"
Radius of index arm 11"
Width of frame at arc 9 1/2" wide
Seven shade glasses
Weight octant 2 Lbs 14 oz.
Very rare ladder type sextant. It was made by John William Norie (1772-1843), a mathematician, hydrographer, chart maker and publisher of nautical books, most famous for his Epitome of Practical Navigation (1805), which became a standard work on navigation and went through many editions, as did many of Norie's works. His known navigation instruments are few, and normally found in museums such as the British National Maritime Museum in Greenwich, and the USS Constitution Museum in Boston.
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Happy to answer any questions but not technical because I do not know much about sextants.