An Implement for Excavating Hard Earth, Soft Rock, or such like.

摘要

7880. Morton, H. J. April 4. Excavating.-An implement for excavating hard earth, soft rock, or the like is shown in Figs. 1 and 2, and consists of the stem A, preferably straight, with the wide flat cutting-edge B in one with or attached to it. The implement is driven into the material by a hammer or the like.