In his book The Brightest Stars for the Construction of Mechanical Clocks (Al-Kawakib al-durriyya fi wadh' al-bankamat al-dawriyya), Taqi al-Din Ibn Ma'ruf analyses the four main types of time keeping devices known in the 16th century: watches, domestic clocks, astronomical clocks and tower clocks. Such machines represent the earliest mechanical computers. In the following, we present for the first time a virtual reconstruction of the astronomical clock type through geometrical drawing and 3D animation.
The Astronomical Clock of Taqi Al-Din: Virtual Reconstruction
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Figure 1. The Tabula Rogeriana, drawn by al-Idrisi for Roger II of Sicily in 1154, one of the most advanced ancient world maps. Modern consolidation, created from the 70 double-page spreads of the original atlas. (Source)
Figure 1: Muslim expansion by the end of Umayyad rule in 750. (Source).
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