London, South Kensington
24 September 2008
A fine astrolabic quadrant
Ottoman Turkish, 1876
a wooden quadrant with markings in red and black, gilt decoration, red painted edges, the obverse dated 1293AH [i.e. 1876AD] to the upper left, the ecliptic in red, the divided horizon with gilt decorations every 5°, diagram of unequal hours to top right corner, two cartouches the reverse with a gilt decorated sexagesimal trigonometric grid, two cartouches in gilt dotted borders, with later(?) plumb bob on green string.
6in. (15cm.) maximum radius
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