A scale model of Su Song's Astronomical Clock Tower, built in 11th century Kaifeng, China.

Su Song | Su Song's star maps represent the oldest existent ones in printing | printed form.

* 1077: Chinese official Su Song is sent on a diplomatic mission to the Liao Dynasty and discovers that the Khitan calendar is more mathematically accurate than the Song calendar ; Emperor Zhezong later sponsors Su Song's astronomical clock tower in order to compete with Liao astronomers.

The original diagram of Su Song's book Xin Yi Xiang Fa Yao ( published 1092 ) showing the Water clock | clepsydra tank, waterwheel, escapement mechanism, chain drive, striking clock jacks, and armillary sphere of his clock tower.

An interior diagram of the Astronomical clock | astronomical clocktower of Kaifeng featured in Su Song's book, written by 1092 and published in printed form by the year 1094.

In addition, Su Song's clock tower featured the world's first endless power-transmitting chain drive, an essential mechanical device found in many practical uses throughout the ages, such as the bicycle.

The Song Dynasty was also a period of great scientific literature, and saw the creation of works such as Su Song's Xin Yixiang Fayao and Shen Kuo's Dream Pool Essays.

The original diagram of Su Song's book of 1092 showing the inner workings of his clocktower ; a Escapement | mechanically-rotated armillary sphere crowns the top.

He was also depicted in artwork made posthumously, such as in Li Song's ( 1190 – 1225 ) painting of Su traveling in a boat, known as Su Dongpo at Red Cliff, after Su Song's poem written about a 3rd century Chinese battle.

The water-powered mechanism of Su Song | Su Song's astronomical clock tower, featuring a clepsydra tank, waterwheel, escapement mechanism, and chain drive to power an armillary sphere and 113 striking clock jacks to sound the hours and to display informative plaques

Oldest known illustration of an endless power-transmitting chain drive, from Su Song's book of 1092 describing his clock tower of Kaifeng

Su Song's treatise about the clock tower, Xinyi Xiangfayao ( 新 儀.

A scale model of Su Song's Astronomical Clock Tower

Historian Liu Heping states that Emperor Zhezong of Song sponsored Su Song's clocktower in 1086 in order to compete with the Liao for " scientific and national superiority.

A star map with equidistant cylindrical projection, from Su Song's Xinyi Xiangfayao, 1092

This is so because Su Song's fourth star map places the position of the pole star halfway between Tian shu (− 350 degrees ) and the current Polaris ; this was the more accurate calculation ( by 3 degrees ) that Shen Kuo had made when he observed the pole star over a period of three months with his width-improved sighting tube.

Other early versions of mechanical devices used to perform one or another type of calculations include the planisphere and other mechanical computing devices invented by Abū Rayhān al-Bīrūnī ( c. AD 1000 ); the equatorium and universal latitude-independent astrolabe by Abū Ishāq Ibrāhīm al-Zarqālī ( c. AD 1015 ); the astronomical analog computers of other medieval Muslim astronomers and engineers ; and the astronomical clock tower of Su Song ( c. AD 1090 ) during the Song Dynasty.

* 1094: the astronomical clock tower of Kaifeng, China — engineered by the official Su Song — is completed.

* 1094 – The Chinese mechanical engineer and astronomer Su Song incorporates an escapement mechanism and the world's first known chain drive to operate the armillary sphere, the astronomical clock, and the striking clock jacks of his clock tower in Kaifeng.

* The Chinese polymath statesman and scientist Su Song has the successful pilot model for his astronomical clock tower constructed in Kaifeng, China.

Su Song was best known for his horology treatise written in 1092, which described and illustrated in great detail his hydraulic-powered, tall astronomical clock tower built in Kaifeng.

The famous clock tower of the Su Song built by 1094 during the Song Dynasty would employ Yi Xing's escapement with waterwheel scoops filled by clepsydra drip, and powered a crowning armillary sphere, a central celestial globe, and mechanically-operated manikins that would exit mechanically-opened doors of the clock tower at specific times to ring bells and gongs to announce the time, or to hold plaques announcing special times of the day.

The same mechanism would be used by Su Song ( 1020 – 1101 ) in 1088 to power his astronomical clock tower, as well as a chain drive.

In Song China, an astronomical clock tower was designed by Su Song and erected at Kaifeng in 1088, featuring a liquid escapement mechanism.

* Su Song ( engineer who built a clock tower in Song Dynasty capital of Kaifeng )

late 10th century ) and Su Song ( 1020 – 1101 ) duly applied escapement devices for their astronomical clock towers, before the technology stagnated and retrogressed.

Like the earlier water-power employed by Zhang Heng and the later escapement mechanism in the astronomical clock tower engineered and erected by Su Song ( 1020 – 1101 ), Yi Xing's celestial globe employed water-power in order for it to rotate and function properly.

The first continuous power-transmitting chain drive was depicted in the written horological treatise of the Song Dynasty ( 960 – 1279 ) Chinese engineer Su Song ( 1020-1101 AD ), who used it to operate the armillary sphere of his astronomical clock tower as well as the clock jack figurines presenting the time of day by mechanically banging gongs and drums.

Su Song was the engineer of a water-driven astronomical clock tower in medieval Kaifeng, which employed the use of an early escapement mechanism.

A small-scale wooden model was first crafted by Su Song, testing its intricate parts before applying it to an actual full-scale clock tower.

However, they were also unsuccessful in creating another clock tower, and Su Xie was convinced that Su Song had purposefully left out essential components in his written work and diagrams so that others would not steal his ideas.

In June 1180, Saladin hosted a reception for Nur al-Din Muhammad, the Artuqid emir of Keyfa, at Geuk Su, in which he presented him and his brother Abu Bakr presents, valued at over 100, 000 dinars according to Imad al-Din.

Meantime, Lu Su and Gan Ning advanced to Yiyang ( 益陽 ) with 10, 000 men ( to block Guan Yu ) and took over command of the army at Lukou ( 陸口 ).

For Wong's film, Cheung, playing a married woman in her thirties who had carried over the elegance of her younger years in the pre-revolutionary mainland, would again wear qipao, known in Cantonese as cheongsam, and spoke of it as the way of understanding her character Su Li-zhen, whose quiet strength Cheung felt was unlike her own more spontaneous spirit.

Upon learning that the Wei emperor Cao Rui dispatched Zhang He as reinforcement, Zhuge Liang promoted Ma Su over more experienced generals such as Wei Yan and Wu Yi ( 吳懿 ) to the commander of the vanguard in order to fend off Zhang He at Jieting.

When Lu Su took over Zhou Yu's position, he went to visit Lü Meng.

When Lu Su died, Lü Meng took over his command and became the chief strategist of Sun Quan's military.

Liu's success did not end there, he carried out to expand his initial victories over the nationalists by carrying out several campaigns with armies led by Chen Yi and Su Yu, another army led by Chen Geng ( 陈赓 ), to annihilate a great number of KMT troops led by two prominent generals, Chen Cheng and Bai Chongxi.

Li Su, one of Dong Zhuo's followers who came from the same hometown as Lü Bu, volunteered to persuade Lü to defect over.

Su also stated that he previously submitted resignations numerous times over his sixteen-month tenure, but all were rejected by President Chen.

During the campaign against Meng Huo, Ma Su advised Zhuge Liang to win Meng Huo over to serve Shu by capturing and releasing him again until Meng Huo finally surrendered and joined Shu.

Sun Quan then invited Lu Su to sit together with him and they had a discussion on politics over drinks.

Lu Su proposed a strategy for Sun Quan to compete with other warlords for supremacy over China-establish a foothold in Jiangdong, attack Liu Biao and seize control of Jing Province ( covering present-day Hubei and Hunan ), then establish an independent regime south of the Yangtze River.

The album contained the hits “ Al Son De La Lata Baila El Chorizo ” ( Originally played by Ismael Rivera when he was part of Cortijo Y Su Combo ), “ El Tiburón De Agua Dulce ” ( Written by Millet and the longest studio track Santiago ever recorded at just over seven minutes with an amazing piano solo by Millet ), “ La Buruquena De Doña Inés ” & “ Esta Noche Sale El Lobo ”.

In spring 592, the official He Tuo ( 何妥 ), who, despite his senior status over Su Wei's son Su Kui ( 蘇夔 ), was losing out against Su Kui over a debate as to the designation of official music styles for Sui.

Su patriottu sardu a sos feudatarios ( also known as Procurad ' e moderare, barones, sa tirannia ) is the revolutionary anthem written in Sardinian by Francesco Ignazio Mannu during the revolt occurred in 1794 all over the island against the feudalism, which culminated in the expulsion of the Piedmontese tyrants.

The earliest such design of a sand-clock was made by Zhan Xiyuan around 1370, which featured not only the scoop wheel of Su Song ' device, but also a new addition of a stationary dial face over which a pointer circulated, much like new European clocks of the same period.

Su Song was also strongly influenced by the earlier armillary sphere created by Zhang Sixun ( 976 AD ), who also employed the escapement mechanism and used liquid mercury instead of water in the waterwheel of his astronomical clock tower ( since liquid mercury would not freeze during winter and would not corrode and rust metal components over time ).

Against this background, both Zhang Lu and Zhang Xiu were abruptly ordered by Liu Yan to go together to attack the forces of the official Han governor of Hanzhong, Su Gu ( 蘇固 ) and take over his territory.