Hand powered drilling tools and machines

Hand-powered devices have been used for millennia. However, 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). One of the outcomes included an array of new drilling machines. These human-powered tools were not only a vast improvement over those that came before them, they also had many advantages in comparison to the power drills that we use today. A 1922 breast drill (picture credit). ---------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------- For most of human history, drilling a hole into whatever chosen material required an extensive amount of time and effort. The first crude...
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Hand powered drilling tools and machines