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History Essay – Lessons 76-80 – Summarize

In History I learned about four inventions. They are chess, the arquebus, the printing press, and the mainspring. Chess is a game of strategy that began in India in the 6th century and is still played today. The second invention was the arquebus. It was a long gun being also a muzzle loaded firearm. It was used from the 15th to the 17th century. The third invention was the printing press. It was a machine designed to speed up the process of making books. It’s use grew rapidly from the 14th through the 16th century. The last invention was the mainspring. A mainspring is a spiral torsion spring of metal ribbon. It was usually used as a power source for clocks. My favorite invention was the arquebus because it was a gun and an early form of rifle.