Astronomical and navigational instruments, Astrolabes and quadrants

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Islamic quadrant

Astronomical and navigational instruments

Object connections:

Collection Astronomical and navigational instruments, Astrolabes and quadrants
Gallery locationROG (Floor plans)
Publication(s)Treasures of the National Maritime Museum
Gloria Clifton and Nigel Rigby
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Object details:

Object ID NAV1056
Description This is an Islamic quadrant. The front is marked with an astrolabic quadrant and the reverse with a sinical quadrant. This instrument is used to both determine the time and to work out Islamic prayer times. Its own case and a compedium of instructions (in Turkish and Arabic) survive. It is made for the latitude of 39 degrees, very rare for an Ottoman quadrant.
Date made 1813

Artist/Maker Unknown
Place made unknown
Credit National Maritime Museum, Greenwich, London
Materials lacquer; wood
Measurements Radius: 165 mm. Case width 285mm depth 215mm.
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