Search results for keyword: crossbow
History of Machinery in Ancient China (Part Two)
Chinese Mechanical History (Part 2)
The Tang Dynasty (618-907) marked another golden age for Chinese mechanical achievements. During this time, the Chinese developed the world’s first geared mechanism—the Tang world-shifting-arm, which used two interlocking gears to control the speed of a large......
1042 
Laura
History of Machinery in Ancient China (Part 2)
The History of Ancient Chinese Machinery (Middle Ages)
The Middle Ages in Chinese history (589–960 AD) are known as the period of the Five Dynasties and Ten Kingdoms. During this era, the Chinese began to develop techniques for machine building and mechanical engineering that would later contrib......
The definition and development history of crossbow
Definition and Development of crossbow
crossbow is a weapon for firing arrows or bolts at targets by means of lever, rope, and pulley systems. It was the earliest form of projectile weapons and has been used for thousands of years in both war and hunting.
The word crossbow itself stems from the G......
bow and crossbow
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Bow and Arrow
Bow and arrows have been around for thousands of years, and have found uses in hunting, warfare, and even in sports and recreation. Although the technology behind bows and arrows has advanced significantly over the centuries, the basic designs and principles behind them remain the ......
ancient history of machinery
Ancient History of Machinery
The very first machines were created as replacements for human skills. For example, back in ancient Egypt, 4000 BC, farmers and merchants used shadufs, a manual machine created to lift water from a river and put it into a crop field. This allowed them to control the a......
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