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US Patent: 491,624
Breast-drill
Patentee:
William H. Wilkinson - Boston, MA

USPTO Classifications:
81/34

Tool Categories:
woodworking tools : hand drills : eggbeater drills
woodworking tools : hand drills : breast drills

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Frederick L. Emery
Odin B. Roberts

Patent Dates:
Applied: Jun. 16, 1892
Granted: Feb. 14, 1893

Patent Pictures:
Wilkinson 491,624
USPTO pdf tiff
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Description:
These are frequently seen on dealers sales lists and EBAY. Nonetheless, it would be erroneous to refer to them as common. The drills are massive. Wilkinson's patent is for the slide lever on the upper handle that locks the chuck when inserting and removing bits. A William H. Wilkinson was listed in Boston in the 1890 census as being associated with Andrew J. Wilkinson Company, a Boston hardware dealer.

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