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US Patent: 125,380
Improvement in Tools for Cutting Off Pipes
Adjustable Tube or Pipe Cutter
Patentee:
Henry Collinson (exact or similar names) - Boston, MA

USPTO Classifications:
30/94

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Nathaniel Harris
William W. McKim
John W. McKim

Patent Dates:
Granted: Apr. 09, 1872

Patent Pictures:
Henry Collinson Pat. April 9, 1872
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Description:
The cutter is adjustable for the depth of cut, and the bearing "crutch" polishes the pipe surface adjacent to the cut so the pipe is smooth for subsequent use.

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