Handwritten Islamic Astrolabe (1160 Hijri / 1747-1748): A Rare Paper Board Instrument with Six Discs

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The astrolabe you’re describing from the Islamic year 1160 Hijri (1747-1748) is a fascinating historical artifact. Astrolabes were essential scientific instruments used for navigation, astronomy, and timekeeping in the Islamic world and beyond.

Features of the Astrolabe

Material: The use of paper board suggests it was made for practical use, possibly for educational purposes, as wooden or metal astrolabes were more common for precise astronomical calculations.
Discs: The six discs likely represent different functions or geographical locations, allowing the user to adjust the astrolabe for various calculations, such as altitude, latitude, and time based on the position of celestial bodies.
Hand-Drawn/Written: This aspect indicates that the astrolabe may have been personalized or created for a specific user or purpose, showcasing the craftsmanship and scientific knowledge of the period.

Historical Context

During the 18th century, Islamic scholars were actively engaged in astronomy and mathematics. They were translating and building upon Greek and Indian works, making significant contributions to the field. Astrolabes served not only as practical tools but also as symbols of knowledge and learning in Islamic culture.