History of Science Museum: Collection Database Search

The astrolabe on a quadrant

Imagine the circle of an astrolabe folded in half and then folded again. The result is a quadrant carrying a compact version of the astrolabe's projected lines.

Other narratives:

• Inventory no. 31514 - Epact entry
• Inventory no. 31514 - Former Display Label

Related Objects:

• Inventory No. 31514, "Astrolabe Quadrant, by Giovanni Antonio Magini, Italy, Late 16th Century" [1924-0/part], Magini, Giovanni Antonio
• Inventory No. 54673, "Astrolabe Quadrant, Profatius-Type, by 'Abdallah Ahmad b. 'Ali al-Andalusi, Morocco?, 1804" [1956-127], 'Abdallah Ahmad b. 'Alî al-Andalusî