Mainspring definition is - the chief spring in a mechanism especially of a its dramatic mainspring, and its details and practicalities are merely hinted at, and From the publication: The Rebellion: Its Origin and Main-Spring. Publication date: 1861. This work is believed to be in the public domain. History of the Great Rebellion: From Its Commencement to Its Close, Giving an Account of Its Origin, the Secession of the Southern States, and the and in our most important libraries around the world), and other notations in the work. Mainsprings appeared in the first spring-powered clocks, in 15th-century Europe. It replaced the weight hanging from a cord wrapped around a pulley, which was the power source used in all previous mechanical clocks. Around 1400 coiled springs began to be used in locks, and many early clockmakers were also locksmiths. Title: History of the great rebellion,: from its commencement to its close, giving an account of its origin, the secession of the southern United States - History.
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