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    Da’irat al-Mu‘addil, with a Depiction of the Ka‘bah on Collections Sphere from Khalili Collections

    The base plate of this instrument, a combined qiblah compass and sundial which is known as the da’irat al-mu‘addil, is marked with the names of various cities. It also houses a magnetic compass so that, when aligned on the meridian, it gives the direction of Mecca, represented at the centre of the plate with a depiction of the Ka’bah and Maqam Ibrahim. When correctly oriented, the instrument also functions as a sundial.

    Da’iral al-Mu‘addil, with a Depiction of the Ka‘bah