Astronomical and navigational instruments, Astrolabes and quadrants, Celestial navigation

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Sinical quadrant

Astronomical and navigational instruments

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Object details:

Object ID NAV1044
Description Sinical quadrant. This instrument is designed to measure the angle above the horizon of an object. It is also marked with a sinical scale on the reverse, enabling complex mathematical calculations to be simplified.
Date made circa 1650

Artist/Maker Unknown
Place made England
Credit National Maritime Museum, Greenwich, London, Rev. George Fisher Collection
Materials wood
Measurements Overall: 13 x 161 x 166 mm
  • Sinical quadrant (NAV1044)
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