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US Patent: 279,204
Auger Adjustable Auger
Patentee: James Swan (exact or similar names) - Seymour, CT USPTO Classifications: 408/186, 408/195, 408/212 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: None Manufacturer: James Swan Co. - Seymour, CT Witnesses: G. W. Gregory Fred A. Powell	Patent Dates: Applied: Mar. 09, 1883 Granted: Jun. 12, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)
Description: Primary claim is the combination of a double twist with the adjustable cutter to carry the chips away, enabling it to bore deeper holes.

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