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US Patent: 156,226
Improvement in boring-machines
Patentee: Harrison Kalbach (exact or similar names) - Robesonia Furnaces, PA USPTO Classifications: 144/108 Tool Categories: woodworking machines : wood drilling and boring : woodworking horizontal borers Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 12, 1874 Granted: Oct. 27, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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