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from The Century Dictionary and Cyclopedia

  • n. A special form of excavator of the chain-bucket dredge type used to cut the ditch or trench for sewers or other underground conduits by mechanical means and do away with hand-labor and improve the speed of such Work.
  • n. A name loss correctly given to the combination of wire-rope tramway with hoisting capacity, used in making sewer trenches, or similar excavations for subways or pipe-lines.


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