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US Patent: 374,773
Hollow Auger
Patentee:
William Bradford (exact or similar names) - Brockport, NY

USPTO Classifications:
30/495

Tool Categories:
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. A. Widener
E. W. O. Adams
R. F. Osgood
P. A. Costich

Patent Dates:
Applied: Aug. 07, 1886
Granted: Dec. 13, 1887

Patent Pictures:
William Bradford patent December 13, 1887
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Description:
A right-angled cutter cuts both the side of the tenon, and the shoulder on the wheel spoke. The cutter is adjustable to vary the diameter of the tenon, and the depth of the shoulder cut.

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