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US Patent: 166,673
Improvement in Hollow Augers
Patentee:
Albert A. Wood - Manlius, NY

USPTO Classifications:
30/495

Tool Categories:
woodworking tools : hand drills : drill bits : hollow bits

Assignees:
None

Manufacturer:
A. A. Wood & Sons Co. - Atlanta, GA

Witnesses:
N. E. Robinson
George S. Ballock

Patent Dates:
Applied: Jul. 31, 1875
Granted: Aug. 10, 1875

Patent Pictures:
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Description:
Hollow auger that allows multiple tenons to be cut due to an adjustable cutter as well a graduated gaging jaw. A two piece adjustable stop is also an element of the patent claim.

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