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Earth-Auger.
Patent for an earth-auger that allows a hole to "be bored in ordinary soil in much less time than with the ordinary auger. It readily bores in ground in which the ordinary auger will not bore - viz., dry, hard, and packed soil, gravel, and concrete beds."
Date:
September 12, 1882
Creator:
Porter, Thomas & Gillilland, George Washington
System:
The Portal to Texas History