Astronomical and navigational instruments, Astrolabes and quadrants

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Islamic quadrant

NAV1056
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
View this book in the library

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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