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Islamic Water Clocks
Islamic artisans used floats, gears, and cams to control water flow, achieving precise water clocks (clepsydras) with uniform timekeeping.…
Timeline
- 1206Diyarbakir · DiyarbakirIbn al-Jazari systematically recorded in his Book of Knowledge of Ingenious Mechanical Devices a variety of water clocks and automata, using float valves to regulate constant flow and gears and cams to drive figurines and striking mechanisms, advancing the ancient Greek water-clock tradition to a new level of complex linked machinery.
- 1231–1240Damascus · DamascusIn Damascus and at the Umayyad Mosque of Damascus, precise water clocks were still in use or being replicated to determine prayer times; artisans continued the techniques of float-regulated constant flow and cam-driven striking. Water clocks also served observatory timekeeping, making them important devices for public timekeeping and scientific activity in Islamic cities.
Sources
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