About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 38. Chapters: 1101 births, 1101 by country, 1101 deaths, 1101 establishments, 1101 in Europe, 1101 in law, Conflicts in 1101, Roger I of Sicily, Su Song, Su Shi, Crusade of 1101, Vseslav of Polotsk, Heloise d'Argenteuil, Bruno of Cologne, List of state leaders in 1101, Henry of Blois, Constantine Bodin, Al Hillah, Stephen II of Hungary, Walter of Albano, Hugh I, Count of Vermandois, Hugh d'Avranches, 1st Earl of Chester, Welf I, Duke of Bavaria, Conrad II of Italy, Anselm IV, Pandolfo Masca of Pisa, Battle of Ramla, Emperor Daozong of Liao, Henry, Margrave of Frisia, Artaldus, Treaty of Alton, William of Montfort, Al-Musta'li, Fujiwara no Morozane, Martin I, Abu al-Bayan ibn al-Mudawwar, Nikon the Dry, Ida of Formbach-Ratelnberg, Liemar, Gillafin mac Coulahan, Elvira of Toro, Uicheon, Gilla na Naemh Ua Dunabhra, Egilbert, Arslan Shah I, 1101 in Ireland. Excerpt: Su Song (simplified Chinese: traditional Chinese: pinyin: S Song; style name: Zirong ) (1020-1101 AD) was a renowned Chinese polymath who specialized himself as a statesman, astronomer, cartographer, horologist, pharmacologist, mineralogist, zoologist, botanist, mechanical and architectural engineer, poet, antiquarian, and ambassador of the Song Dynasty (960-1279). Su Song was the engineer of a water-driven astronomical clock tower in medieval Kaifeng, which employed the use of an early escapement mechanism. The escapement mechanism of Su's clock tower had previously been invented by Buddhist monk Yi Xing and government official Liang Lingzan in 725 AD to operate a water-powered armillary sphere, although Su's armillary sphere was the first to be provided with a mechanical clock drive. Su's clock tower also featured the oldest known endless power-transmitting chain drive, called the tian ti ( ), or "celestial ladder," as depicted in his horological treatise. The c...
