Hand powered devices have been used for millenniaowever, during the last quarter of the 19th century a radically improved generation of tools appeared these tools took advantage of modern mass production machinery and processes like interchangeable parts and an increased availability in superior material metal instead of wood.
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Hand powered devices have been used for millenniaowever, during the last quarter of the 19th century a radically improved generation of tools appeared these tools took advantage of modern mass production machinery and processes like interchangeable parts and an increased availability in superior material metal instead of wood.Read More
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