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In ancient China, the trip hammer evolved out of the use of the mortar and pestle, which in turn gave rise to the treadle-operated tilt-hammer (Chinese: 碓 Pinyin: dui; Wade-Giles: tui). [1] The latter was a simple device employing a lever and fulcrum (operated by pressure applied by the weight of one's foot to one end), which featured a ...
Water-powered trip hammer mills were created in 488 AD by the medieval Chinese mathematician and engineer Zu Chongzhi which was inspected by Emperor Wu of Southern Qi (r. 482–493 AD). [1] [2] [3] The water-powered trip hammer mills were powered by minor hill flowing stream that was connected to a large river beneath the high banks. [4]
Hearth (left) and trip hammer (centre) in a finery forge. In the back room (right) is a large pile of charcoal. A finery forge is a forge used to produce wrought iron from pig iron by decarburization in a process called "fining" which involved liquifying cast iron in a fining hearth and removing carbon from the molten cast iron through oxidation. [1]
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
For agricultural purposes the Chinese had invented the hydraulic-powered trip hammer by the 1st century BC, during the ancient Han dynasty (202 BC-220 AD). [10] Although it found other purposes, its main function was to pound, decorticate, and polish grain that otherwise would have been done manually.
In turn, the trip hammer method was later employed by the Chinese. [58] Historically, trip hammers were often powered by a water wheel, and are known to have been used in China as long ago as 40 BCE or maybe even as far back as the Zhou dynasty (1050 BCE–221 BCE), [59] though the trip hammer is not known to have been used in Chinese ...
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of the NYT 'Connections ...
The many uses for manufactured iron products in the Song period included iron for weapons, [96] implements, [96] coins, [96] architectural elements, [96] musical bells, [96] artistic statues, [96] and components for machinery such as the hydraulic-powered trip hammer, which had been known since the 1st century BCE during the ancient Han dynasty ...