gardens. in alternately raising and depressing the tool to give it the In the engravings accompanying this article, from Mr. E. necessary pounding motion. The hole being thus opened, a H. Knight's American " Mechanical Dictionary " (published valved cylindrical auger, Fig. 3, is introduced. When… … Wdl'Borins Tools, WeU-Buring Toots Ifartk-borh}? Auger. > 1875 SCIENTIFIC AMERICAN, INC.
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