drill machine is invented by?
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Arthur James Arnot
The next great advancement in drilling technology, the electric motor, led to the invention of the electric drill. It is credited to Arthur James Arnotand William Blanch Brain of Melbourne, Australia who patented the electric drill in 1889.
The next great advancement in drilling technology, the electric motor, led to the invention of the electric drill. It is credited to Arthur James Arnotand William Blanch Brain of Melbourne, Australia who patented the electric drill in 1889.
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