Product images of Astrolabe: dismounted obverse
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Astrolabe: dismounted obverse
This type of astrolabe, without rete or plates, has been evidential from at least the 14th century onwards in the literature on instruments from Egypt and Syria, where it is called a 'solid' (mujammad) astrolabe. No wooden astrolabe or quadrants are known from Iran, whereas hundreds (mostly quadrants) are known from the Ottoman countries, especially Turkey. Surprisingly, this astrolabe was made for the latitude of Isfahan (32 25'). Furthermore, it has Persian inscriptions and the modern Persian form of numerals. If it stems from Iran, then it was clearly inspired by an Ottoman model.
- Image reference: E5548-2
- National Maritime Museum, Greenwich, London