LRI4661261 Representation of a water clepsydra (clock) designed by Turkish engineer Ibn al-Rajjaj al-Jazari (Al Rajjaj Al Jazari) (1136-1206) and a calendar. It distinguishes the circle of the zodiac, the Sun, the Moon, 12 openings illuminate at night. 2 birds drop a ball. At certain times the automaton musicians play Invention designed by the Turkish engineer Ibn al-Rajjaj al-Jazari (Al Rajjaj Al Jazari) (1136-1206) around 1203. Miniature from the ???ook of Knowledge of Mechanical Procences??Istanbul Topkapi Sarayi Museum Library by Unknown Artist, (13th century); Topkapi Sarayi Muzesi Kutuphanesi (Library), Istanbul, Turkey; (add.info.: Representation of a water clepsydra (clock) designed by Turkish engineer Ibn al-Rajjaj al-Jazari (Al Rajjaj Al Jazari) (1136-1206) and a calendar. It distinguishes the circle of the zodiac, the Sun, the Moon, 12 openings illuminate at night. 2 birds drop a ball. At certain times the automaton musicians play Invention designed by the Turkish engineer Ibn al-Rajjaj al-Jazari (Al Rajjaj Al Jazari) (1136-1206) around 1203. Miniature from the ???ook of Knowledge of Mechanical Procences??Istanbul Topkapi Sarayi Museum Library); Luisa Ricciarini; out of copyright.