Astronomik saat, Güneş, Ay, Zodyak takımyıldızı ve bazen büyük gezegenlerin göreli konumları gibi astronomik bilgileri görüntülemek için özel mekanizma ve kadranlara sahip bir saattir. == Kaynakça == * Joseph, Needham. (1986). Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 2, Mechanical Engineering. Taipei: Caves Books Ltd. * John North. (2005). God's Clockmaker, Richard of Wallingford and the invention of time. Hambledon and London. * Tor Sørnes. (2008). The Clockmaker Rasmus Sørnes. Borgarsyssel Museum, Sarpsborg, 2003 Norwegian edition, and 2008 English edition (available from the museum). * King, Henry. (1978). Geared to the Stars: the evolution of planetariums, orreries, and astronomical clocks, University of Toronto Press. == Dış bağlantılar == * The search for Rasmus Sørnes 4th clock * * Prague Astronomical Clock * The Annosphere, a contemporary astronomical clock Kategori:Arap icatları