
Oliver White
Head of Department


£2,000 - £3,000
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Head of Department
The astrolabic quadrant was particularly popular in Ottoman Turkey, and countless examples survive, mainly for the latitude of Istanbul, taken as 41°. They are invariably made of wood, with the astronomical markings attached on paper, which is then lacquered.
The markings are of the standard variety and include curves for the prayers in the mid and late afternoon and at twilight, as well as for the time of fasting in Ramadan, and the azimuth of Mecca (qibla).