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US Patent: 41,517
Improvement in Augers for Boring Wood
Pump Boring Bits
Patentee:
G. W. Low - Chillicothe, OH

USPTO Classifications:
408/230, 408/233

Tool Categories:
woodworking tools : hand drills : drill bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Brown
Samuel Lunbeck

Patent Dates:
Granted: Feb. 09, 1864

Patent Pictures:
USPTO pdf tiff
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Description:
Detachable head with detachable cutters, which ride in dovetailed ways, for ease of sharpening and replacement.

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