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US Patent: 24,894
Boring-tool
Patentee:
George I. Washburn - Worcester, MA

USPTO Classifications:
74/127

Tool Categories:
woodworking tools : hand drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jul. 26, 1859

Patent Pictures:
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Description:
The patent specification says, "I am aware that the stocks of boring tools, as in McDowell's Archimedean boring tool, and others, have been operated so as to turn in a continuous rotary motion....." Washburn goes on to mention a few examples making it obvious that a certain amount of inspiration had been applied to this form of tool previous to 1859.

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